//! moment.js
//! version : 2.18.1
//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
//! license : MIT
//! momentjs.com

; (function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    global.moment = factory()
}(this, (function () {
	'use strict';

	var hookCallback;

	function hooks() {
		return hookCallback.apply(null, arguments);
	}

	// This is done to register the method called with moment()
	// without creating circular dependencies.
	function setHookCallback(callback) {
		hookCallback = callback;
	}

	function isArray(input) {
		return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';
	}

	function isObject(input) {
		// IE8 will treat undefined and null as object if it wasn't for
		// input != null
		return input != null && Object.prototype.toString.call(input) === '[object Object]';
	}

	function isObjectEmpty(obj) {
		var k;
		for (k in obj) {
			// even if its not own property I'd still call it non-empty
			return false;
		}
		return true;
	}

	function isUndefined(input) {
		return input === void 0;
	}

	function isNumber(input) {
		return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';
	}

	function isDate(input) {
		return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';
	}

	function map(arr, fn) {
		var res = [], i;
		for (i = 0; i < arr.length; ++i) {
			res.push(fn(arr[i], i));
		}
		return res;
	}

	function hasOwnProp(a, b) {
		return Object.prototype.hasOwnProperty.call(a, b);
	}

	function extend(a, b) {
		for (var i in b) {
			if (hasOwnProp(b, i)) {
				a[i] = b[i];
			}
		}

		if (hasOwnProp(b, 'toString')) {
			a.toString = b.toString;
		}

		if (hasOwnProp(b, 'valueOf')) {
			a.valueOf = b.valueOf;
		}

		return a;
	}

	function createUTC(input, format, locale, strict) {
		return createLocalOrUTC(input, format, locale, strict, true).utc();
	}

	function defaultParsingFlags() {
		// We need to deep clone this object.
		return {
			empty: false,
			unusedTokens: [],
			unusedInput: [],
			overflow: -2,
			charsLeftOver: 0,
			nullInput: false,
			invalidMonth: null,
			invalidFormat: false,
			userInvalidated: false,
			iso: false,
			parsedDateParts: [],
			meridiem: null,
			rfc2822: false,
			weekdayMismatch: false
		};
	}

	function getParsingFlags(m) {
		if (m._pf == null) {
			m._pf = defaultParsingFlags();
		}
		return m._pf;
	}

	var some;
	if (Array.prototype.some) {
		some = Array.prototype.some;
	} else {
		some = function (fun) {
			var t = Object(this);
			var len = t.length >>> 0;

			for (var i = 0; i < len; i++) {
				if (i in t && fun.call(this, t[i], i, t)) {
					return true;
				}
			}

			return false;
		};
	}

	var some$1 = some;

	function isValid(m) {
		if (m._isValid == null) {
			var flags = getParsingFlags(m);
			var parsedParts = some$1.call(flags.parsedDateParts, function (i) {
				return i != null;
			});
			var isNowValid = !isNaN(m._d.getTime()) &&
				flags.overflow < 0 &&
				!flags.empty &&
				!flags.invalidMonth &&
				!flags.invalidWeekday &&
				!flags.nullInput &&
				!flags.invalidFormat &&
				!flags.userInvalidated &&
				(!flags.meridiem || (flags.meridiem && parsedParts));

			if (m._strict) {
				isNowValid = isNowValid &&
					flags.charsLeftOver === 0 &&
					flags.unusedTokens.length === 0 &&
					flags.bigHour === undefined;
			}

			if (Object.isFrozen == null || !Object.isFrozen(m)) {
				m._isValid = isNowValid;
			}
			else {
				return isNowValid;
			}
		}
		return m._isValid;
	}

	function createInvalid(flags) {
		var m = createUTC(NaN);
		if (flags != null) {
			extend(getParsingFlags(m), flags);
		}
		else {
			getParsingFlags(m).userInvalidated = true;
		}

		return m;
	}

	// Plugins that add properties should also add the key here (null value),
	// so we can properly clone ourselves.
	var momentProperties = hooks.momentProperties = [];

	function copyConfig(to, from) {
		var i, prop, val;

		if (!isUndefined(from._isAMomentObject)) {
			to._isAMomentObject = from._isAMomentObject;
		}
		if (!isUndefined(from._i)) {
			to._i = from._i;
		}
		if (!isUndefined(from._f)) {
			to._f = from._f;
		}
		if (!isUndefined(from._l)) {
			to._l = from._l;
		}
		if (!isUndefined(from._strict)) {
			to._strict = from._strict;
		}
		if (!isUndefined(from._tzm)) {
			to._tzm = from._tzm;
		}
		if (!isUndefined(from._isUTC)) {
			to._isUTC = from._isUTC;
		}
		if (!isUndefined(from._offset)) {
			to._offset = from._offset;
		}
		if (!isUndefined(from._pf)) {
			to._pf = getParsingFlags(from);
		}
		if (!isUndefined(from._locale)) {
			to._locale = from._locale;
		}

		if (momentProperties.length > 0) {
			for (i = 0; i < momentProperties.length; i++) {
				prop = momentProperties[i];
				val = from[prop];
				if (!isUndefined(val)) {
					to[prop] = val;
				}
			}
		}

		return to;
	}

	var updateInProgress = false;

	// Moment prototype object
	function Moment(config) {
		copyConfig(this, config);
		this._d = new Date(config._d != null ? config._d.getTime() : NaN);
		if (!this.isValid()) {
			this._d = new Date(NaN);
		}
		// Prevent infinite loop in case updateOffset creates new moment
		// objects.
		if (updateInProgress === false) {
			updateInProgress = true;
			hooks.updateOffset(this);
			updateInProgress = false;
		}
	}

	function isMoment(obj) {
		return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);
	}

	function absFloor(number) {
		if (number < 0) {
			// -0 -> 0
			return Math.ceil(number) || 0;
		} else {
			return Math.floor(number);
		}
	}

	function toInt(argumentForCoercion) {
		var coercedNumber = +argumentForCoercion,
			value = 0;

		if (coercedNumber !== 0 && isFinite(coercedNumber)) {
			value = absFloor(coercedNumber);
		}

		return value;
	}

	// compare two arrays, return the number of differences
	function compareArrays(array1, array2, dontConvert) {
		var len = Math.min(array1.length, array2.length),
			lengthDiff = Math.abs(array1.length - array2.length),
			diffs = 0,
			i;
		for (i = 0; i < len; i++) {
			if ((dontConvert && array1[i] !== array2[i]) ||
				(!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
				diffs++;
			}
		}
		return diffs + lengthDiff;
	}

	function warn(msg) {
		if (hooks.suppressDeprecationWarnings === false &&
				(typeof console !== 'undefined') && console.warn) {
			console.warn('Deprecation warning: ' + msg);
		}
	}

	function deprecate(msg, fn) {
		var firstTime = true;

		return extend(function () {
			if (hooks.deprecationHandler != null) {
				hooks.deprecationHandler(null, msg);
			}
			if (firstTime) {
				var args = [];
				var arg;
				for (var i = 0; i < arguments.length; i++) {
					arg = '';
					if (typeof arguments[i] === 'object') {
						arg += '\n[' + i + '] ';
						for (var key in arguments[0]) {
							arg += key + ': ' + arguments[0][key] + ', ';
						}
						arg = arg.slice(0, -2); // Remove trailing comma and space
					} else {
						arg = arguments[i];
					}
					args.push(arg);
				}
				warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack);
				firstTime = false;
			}
			return fn.apply(this, arguments);
		}, fn);
	}

	var deprecations = {};

	function deprecateSimple(name, msg) {
		if (hooks.deprecationHandler != null) {
			hooks.deprecationHandler(name, msg);
		}
		if (!deprecations[name]) {
			warn(msg);
			deprecations[name] = true;
		}
	}

	hooks.suppressDeprecationWarnings = false;
	hooks.deprecationHandler = null;

	function isFunction(input) {
		return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';
	}

	function set(config) {
		var prop, i;
		for (i in config) {
			prop = config[i];
			if (isFunction(prop)) {
				this[i] = prop;
			} else {
				this['_' + i] = prop;
			}
		}
		this._config = config;
		// Lenient ordinal parsing accepts just a number in addition to
		// number + (possibly) stuff coming from _dayOfMonthOrdinalParse.
		// TODO: Remove "ordinalParse" fallback in next major release.
		this._dayOfMonthOrdinalParseLenient = new RegExp(
			(this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +
				'|' + (/\d{1,2}/).source);
	}

	function mergeConfigs(parentConfig, childConfig) {
		var res = extend({}, parentConfig), prop;
		for (prop in childConfig) {
			if (hasOwnProp(childConfig, prop)) {
				if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
					res[prop] = {};
					extend(res[prop], parentConfig[prop]);
					extend(res[prop], childConfig[prop]);
				} else if (childConfig[prop] != null) {
					res[prop] = childConfig[prop];
				} else {
					delete res[prop];
				}
			}
		}
		for (prop in parentConfig) {
			if (hasOwnProp(parentConfig, prop) &&
					!hasOwnProp(childConfig, prop) &&
					isObject(parentConfig[prop])) {
				// make sure changes to properties don't modify parent config
				res[prop] = extend({}, res[prop]);
			}
		}
		return res;
	}

	function Locale(config) {
		if (config != null) {
			this.set(config);
		}
	}

	var keys;

	if (Object.keys) {
		keys = Object.keys;
	} else {
		keys = function (obj) {
			var i, res = [];
			for (i in obj) {
				if (hasOwnProp(obj, i)) {
					res.push(i);
				}
			}
			return res;
		};
	}

	var keys$1 = keys;

	var defaultCalendar = {
		sameDay: '[Today at] LT',
		nextDay: '[Tomorrow at] LT',
		nextWeek: 'dddd [at] LT',
		lastDay: '[Yesterday at] LT',
		lastWeek: '[Last] dddd [at] LT',
		sameElse: 'L'
	};

	function calendar(key, mom, now) {
		var output = this._calendar[key] || this._calendar['sameElse'];
		return isFunction(output) ? output.call(mom, now) : output;
	}

	var defaultLongDateFormat = {
		LTS: 'h:mm:ss A',
		LT: 'h:mm A',
		L: 'MM/DD/YYYY',
		LL: 'MMMM D, YYYY',
		LLL: 'MMMM D, YYYY h:mm A',
		LLLL: 'dddd, MMMM D, YYYY h:mm A'
	};

	function longDateFormat(key) {
		var format = this._longDateFormat[key],
			formatUpper = this._longDateFormat[key.toUpperCase()];

		if (format || !formatUpper) {
			return format;
		}

		this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {
			return val.slice(1);
		});

		return this._longDateFormat[key];
	}

	var defaultInvalidDate = 'Invalid date';

	function invalidDate() {
		return this._invalidDate;
	}

	var defaultOrdinal = '%d';
	var defaultDayOfMonthOrdinalParse = /\d{1,2}/;

	function ordinal(number) {
		return this._ordinal.replace('%d', number);
	}

	var defaultRelativeTime = {
		future: 'in %s',
		past: '%s ago',
		s: 'a few seconds',
		ss: '%d seconds',
		m: 'a minute',
		mm: '%d minutes',
		h: 'an hour',
		hh: '%d hours',
		d: 'a day',
		dd: '%d days',
		M: 'a month',
		MM: '%d months',
		y: 'a year',
		yy: '%d years'
	};

	function relativeTime(number, withoutSuffix, string, isFuture) {
		var output = this._relativeTime[string];
		return (isFunction(output)) ?
			output(number, withoutSuffix, string, isFuture) :
			output.replace(/%d/i, number);
	}

	function pastFuture(diff, output) {
		var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
		return isFunction(format) ? format(output) : format.replace(/%s/i, output);
	}

	var aliases = {};

	function addUnitAlias(unit, shorthand) {
		var lowerCase = unit.toLowerCase();
		aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
	}

	function normalizeUnits(units) {
		return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;
	}

	function normalizeObjectUnits(inputObject) {
		var normalizedInput = {},
			normalizedProp,
			prop;

		for (prop in inputObject) {
			if (hasOwnProp(inputObject, prop)) {
				normalizedProp = normalizeUnits(prop);
				if (normalizedProp) {
					normalizedInput[normalizedProp] = inputObject[prop];
				}
			}
		}

		return normalizedInput;
	}

	var priorities = {};

	function addUnitPriority(unit, priority) {
		priorities[unit] = priority;
	}

	function getPrioritizedUnits(unitsObj) {
		var units = [];
		for (var u in unitsObj) {
			units.push({ unit: u, priority: priorities[u] });
		}
		units.sort(function (a, b) {
			return a.priority - b.priority;
		});
		return units;
	}

	function makeGetSet(unit, keepTime) {
		return function (value) {
			if (value != null) {
				set$1(this, unit, value);
				hooks.updateOffset(this, keepTime);
				return this;
			} else {
				return get(this, unit);
			}
		};
	}

	function get(mom, unit) {
		return mom.isValid() ?
			mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;
	}

	function set$1(mom, unit, value) {
		if (mom.isValid()) {
			mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
		}
	}

	// MOMENTS

	function stringGet(units) {
		units = normalizeUnits(units);
		if (isFunction(this[units])) {
			return this[units]();
		}
		return this;
	}


	function stringSet(units, value) {
		if (typeof units === 'object') {
			units = normalizeObjectUnits(units);
			var prioritized = getPrioritizedUnits(units);
			for (var i = 0; i < prioritized.length; i++) {
				this[prioritized[i].unit](units[prioritized[i].unit]);
			}
		} else {
			units = normalizeUnits(units);
			if (isFunction(this[units])) {
				return this[units](value);
			}
		}
		return this;
	}

	function zeroFill(number, targetLength, forceSign) {
		var absNumber = '' + Math.abs(number),
			zerosToFill = targetLength - absNumber.length,
			sign = number >= 0;
		return (sign ? (forceSign ? '+' : '') : '-') +
			Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;
	}

	var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;

	var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;

	var formatFunctions = {};

	var formatTokenFunctions = {};

	// token:    'M'
	// padded:   ['MM', 2]
	// ordinal:  'Mo'
	// callback: function () { this.month() + 1 }
	function addFormatToken(token, padded, ordinal, callback) {
		var func = callback;
		if (typeof callback === 'string') {
			func = function () {
				return this[callback]();
			};
		}
		if (token) {
			formatTokenFunctions[token] = func;
		}
		if (padded) {
			formatTokenFunctions[padded[0]] = function () {
				return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
			};
		}
		if (ordinal) {
			formatTokenFunctions[ordinal] = function () {
				return this.localeData().ordinal(func.apply(this, arguments), token);
			};
		}
	}

	function removeFormattingTokens(input) {
		if (input.match(/\[[\s\S]/)) {
			return input.replace(/^\[|\]$/g, '');
		}
		return input.replace(/\\/g, '');
	}

	function makeFormatFunction(format) {
		var array = format.match(formattingTokens), i, length;

		for (i = 0, length = array.length; i < length; i++) {
			if (formatTokenFunctions[array[i]]) {
				array[i] = formatTokenFunctions[array[i]];
			} else {
				array[i] = removeFormattingTokens(array[i]);
			}
		}

		return function (mom) {
			var output = '', i;
			for (i = 0; i < length; i++) {
				output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];
			}
			return output;
		};
	}

	// format date using native date object
	function formatMoment(m, format) {
		if (!m.isValid()) {
			return m.localeData().invalidDate();
		}

		format = expandFormat(format, m.localeData());
		formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);

		return formatFunctions[format](m);
	}

	function expandFormat(format, locale) {
		var i = 5;

		function replaceLongDateFormatTokens(input) {
			return locale.longDateFormat(input) || input;
		}

		localFormattingTokens.lastIndex = 0;
		while (i >= 0 && localFormattingTokens.test(format)) {
			format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
			localFormattingTokens.lastIndex = 0;
			i -= 1;
		}

		return format;
	}

	var match1 = /\d/;            //       0 - 9
	var match2 = /\d\d/;          //      00 - 99
	var match3 = /\d{3}/;         //     000 - 999
	var match4 = /\d{4}/;         //    0000 - 9999
	var match6 = /[+-]?\d{6}/;    // -999999 - 999999
	var match1to2 = /\d\d?/;         //       0 - 99
	var match3to4 = /\d\d\d\d?/;     //     999 - 9999
	var match5to6 = /\d\d\d\d\d\d?/; //   99999 - 999999
	var match1to3 = /\d{1,3}/;       //       0 - 999
	var match1to4 = /\d{1,4}/;       //       0 - 9999
	var match1to6 = /[+-]?\d{1,6}/;  // -999999 - 999999

	var matchUnsigned = /\d+/;           //       0 - inf
	var matchSigned = /[+-]?\d+/;      //    -inf - inf

	var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
	var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z

	var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123

	// any word (or two) characters or numbers including two/three word month in arabic.
	// includes scottish gaelic two word and hyphenated months
	var matchWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i;


	var regexes = {};

	function addRegexToken(token, regex, strictRegex) {
		regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {
			return (isStrict && strictRegex) ? strictRegex : regex;
		};
	}

	function getParseRegexForToken(token, config) {
		if (!hasOwnProp(regexes, token)) {
			return new RegExp(unescapeFormat(token));
		}

		return regexes[token](config._strict, config._locale);
	}

	// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
	function unescapeFormat(s) {
		return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
			return p1 || p2 || p3 || p4;
		}));
	}

	function regexEscape(s) {
		return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
	}

	var tokens = {};

	function addParseToken(token, callback) {
		var i, func = callback;
		if (typeof token === 'string') {
			token = [token];
		}
		if (isNumber(callback)) {
			func = function (input, array) {
				array[callback] = toInt(input);
			};
		}
		for (i = 0; i < token.length; i++) {
			tokens[token[i]] = func;
		}
	}

	function addWeekParseToken(token, callback) {
		addParseToken(token, function (input, array, config, token) {
			config._w = config._w || {};
			callback(input, config._w, config, token);
		});
	}

	function addTimeToArrayFromToken(token, input, config) {
		if (input != null && hasOwnProp(tokens, token)) {
			tokens[token](input, config._a, config, token);
		}
	}

	var YEAR = 0;
	var MONTH = 1;
	var DATE = 2;
	var HOUR = 3;
	var MINUTE = 4;
	var SECOND = 5;
	var MILLISECOND = 6;
	var WEEK = 7;
	var WEEKDAY = 8;

	var indexOf;

	if (Array.prototype.indexOf) {
		indexOf = Array.prototype.indexOf;
	} else {
		indexOf = function (o) {
			// I know
			var i;
			for (i = 0; i < this.length; ++i) {
				if (this[i] === o) {
					return i;
				}
			}
			return -1;
		};
	}

	var indexOf$1 = indexOf;

	function daysInMonth(year, month) {
		return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
	}

	// FORMATTING

	addFormatToken('M', ['MM', 2], 'Mo', function () {
		return this.month() + 1;
	});

	addFormatToken('MMM', 0, 0, function (format) {
		return this.localeData().monthsShort(this, format);
	});

	addFormatToken('MMMM', 0, 0, function (format) {
		return this.localeData().months(this, format);
	});

	// ALIASES

	addUnitAlias('month', 'M');

	// PRIORITY

	addUnitPriority('month', 8);

	// PARSING

	addRegexToken('M', match1to2);
	addRegexToken('MM', match1to2, match2);
	addRegexToken('MMM', function (isStrict, locale) {
		return locale.monthsShortRegex(isStrict);
	});
	addRegexToken('MMMM', function (isStrict, locale) {
		return locale.monthsRegex(isStrict);
	});

	addParseToken(['M', 'MM'], function (input, array) {
		array[MONTH] = toInt(input) - 1;
	});

	addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {
		var month = config._locale.monthsParse(input, token, config._strict);
		// if we didn't find a month name, mark the date as invalid.
		if (month != null) {
			array[MONTH] = month;
		} else {
			getParsingFlags(config).invalidMonth = input;
		}
	});

	// LOCALES

	var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/;
	var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');
	function localeMonths(m, format) {
		if (!m) {
			return isArray(this._months) ? this._months :
				this._months['standalone'];
		}
		return isArray(this._months) ? this._months[m.month()] :
			this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];
	}

	var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');
	function localeMonthsShort(m, format) {
		if (!m) {
			return isArray(this._monthsShort) ? this._monthsShort :
				this._monthsShort['standalone'];
		}
		return isArray(this._monthsShort) ? this._monthsShort[m.month()] :
			this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];
	}

	function handleStrictParse(monthName, format, strict) {
		var i, ii, mom, llc = monthName.toLocaleLowerCase();
		if (!this._monthsParse) {
			// this is not used
			this._monthsParse = [];
			this._longMonthsParse = [];
			this._shortMonthsParse = [];
			for (i = 0; i < 12; ++i) {
				mom = createUTC([2000, i]);
				this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();
				this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();
			}
		}

		if (strict) {
			if (format === 'MMM') {
				ii = indexOf$1.call(this._shortMonthsParse, llc);
				return ii !== -1 ? ii : null;
			} else {
				ii = indexOf$1.call(this._longMonthsParse, llc);
				return ii !== -1 ? ii : null;
			}
		} else {
			if (format === 'MMM') {
				ii = indexOf$1.call(this._shortMonthsParse, llc);
				if (ii !== -1) {
					return ii;
				}
				ii = indexOf$1.call(this._longMonthsParse, llc);
				return ii !== -1 ? ii : null;
			} else {
				ii = indexOf$1.call(this._longMonthsParse, llc);
				if (ii !== -1) {
					return ii;
				}
				ii = indexOf$1.call(this._shortMonthsParse, llc);
				return ii !== -1 ? ii : null;
			}
		}
	}

	function localeMonthsParse(monthName, format, strict) {
		var i, mom, regex;

		if (this._monthsParseExact) {
			return handleStrictParse.call(this, monthName, format, strict);
		}

		if (!this._monthsParse) {
			this._monthsParse = [];
			this._longMonthsParse = [];
			this._shortMonthsParse = [];
		}

		// TODO: add sorting
		// Sorting makes sure if one month (or abbr) is a prefix of another
		// see sorting in computeMonthsParse
		for (i = 0; i < 12; i++) {
			// make the regex if we don't have it already
			mom = createUTC([2000, i]);
			if (strict && !this._longMonthsParse[i]) {
				this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');
				this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');
			}
			if (!strict && !this._monthsParse[i]) {
				regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
				this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
			}
			// test the regex
			if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {
				return i;
			} else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {
				return i;
			} else if (!strict && this._monthsParse[i].test(monthName)) {
				return i;
			}
		}
	}

	// MOMENTS

	function setMonth(mom, value) {
		var dayOfMonth;

		if (!mom.isValid()) {
			// No op
			return mom;
		}

		if (typeof value === 'string') {
			if (/^\d+$/.test(value)) {
				value = toInt(value);
			} else {
				value = mom.localeData().monthsParse(value);
				// TODO: Another silent failure?
				if (!isNumber(value)) {
					return mom;
				}
			}
		}

		dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
		mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
		return mom;
	}

	function getSetMonth(value) {
		if (value != null) {
			setMonth(this, value);
			hooks.updateOffset(this, true);
			return this;
		} else {
			return get(this, 'Month');
		}
	}

	function getDaysInMonth() {
		return daysInMonth(this.year(), this.month());
	}

	var defaultMonthsShortRegex = matchWord;
	function monthsShortRegex(isStrict) {
		if (this._monthsParseExact) {
			if (!hasOwnProp(this, '_monthsRegex')) {
				computeMonthsParse.call(this);
			}
			if (isStrict) {
				return this._monthsShortStrictRegex;
			} else {
				return this._monthsShortRegex;
			}
		} else {
			if (!hasOwnProp(this, '_monthsShortRegex')) {
				this._monthsShortRegex = defaultMonthsShortRegex;
			}
			return this._monthsShortStrictRegex && isStrict ?
				this._monthsShortStrictRegex : this._monthsShortRegex;
		}
	}

	var defaultMonthsRegex = matchWord;
	function monthsRegex(isStrict) {
		if (this._monthsParseExact) {
			if (!hasOwnProp(this, '_monthsRegex')) {
				computeMonthsParse.call(this);
			}
			if (isStrict) {
				return this._monthsStrictRegex;
			} else {
				return this._monthsRegex;
			}
		} else {
			if (!hasOwnProp(this, '_monthsRegex')) {
				this._monthsRegex = defaultMonthsRegex;
			}
			return this._monthsStrictRegex && isStrict ?
				this._monthsStrictRegex : this._monthsRegex;
		}
	}

	function computeMonthsParse() {
		function cmpLenRev(a, b) {
			return b.length - a.length;
		}

		var shortPieces = [], longPieces = [], mixedPieces = [],
			i, mom;
		for (i = 0; i < 12; i++) {
			// make the regex if we don't have it already
			mom = createUTC([2000, i]);
			shortPieces.push(this.monthsShort(mom, ''));
			longPieces.push(this.months(mom, ''));
			mixedPieces.push(this.months(mom, ''));
			mixedPieces.push(this.monthsShort(mom, ''));
		}
		// Sorting makes sure if one month (or abbr) is a prefix of another it
		// will match the longer piece.
		shortPieces.sort(cmpLenRev);
		longPieces.sort(cmpLenRev);
		mixedPieces.sort(cmpLenRev);
		for (i = 0; i < 12; i++) {
			shortPieces[i] = regexEscape(shortPieces[i]);
			longPieces[i] = regexEscape(longPieces[i]);
		}
		for (i = 0; i < 24; i++) {
			mixedPieces[i] = regexEscape(mixedPieces[i]);
		}

		this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
		this._monthsShortRegex = this._monthsRegex;
		this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
		this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
	}

	// FORMATTING

	addFormatToken('Y', 0, 0, function () {
		var y = this.year();
		return y <= 9999 ? '' + y : '+' + y;
	});

	addFormatToken(0, ['YY', 2], 0, function () {
		return this.year() % 100;
	});

	addFormatToken(0, ['YYYY', 4], 0, 'year');
	addFormatToken(0, ['YYYYY', 5], 0, 'year');
	addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');

	// ALIASES

	addUnitAlias('year', 'y');

	// PRIORITIES

	addUnitPriority('year', 1);

	// PARSING

	addRegexToken('Y', matchSigned);
	addRegexToken('YY', match1to2, match2);
	addRegexToken('YYYY', match1to4, match4);
	addRegexToken('YYYYY', match1to6, match6);
	addRegexToken('YYYYYY', match1to6, match6);

	addParseToken(['YYYYY', 'YYYYYY'], YEAR);
	addParseToken('YYYY', function (input, array) {
		array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);
	});
	addParseToken('YY', function (input, array) {
		array[YEAR] = hooks.parseTwoDigitYear(input);
	});
	addParseToken('Y', function (input, array) {
		array[YEAR] = parseInt(input, 10);
	});

	// HELPERS

	function daysInYear(year) {
		return isLeapYear(year) ? 366 : 365;
	}

	function isLeapYear(year) {
		return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
	}

	// HOOKS

	hooks.parseTwoDigitYear = function (input) {
		return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
	};

	// MOMENTS

	var getSetYear = makeGetSet('FullYear', true);

	function getIsLeapYear() {
		return isLeapYear(this.year());
	}

	function createDate(y, m, d, h, M, s, ms) {
		// can't just apply() to create a date:
		// https://stackoverflow.com/q/181348
		var date = new Date(y, m, d, h, M, s, ms);

		// the date constructor remaps years 0-99 to 1900-1999
		if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {
			date.setFullYear(y);
		}
		return date;
	}

	function createUTCDate(y) {
		var date = new Date(Date.UTC.apply(null, arguments));

		// the Date.UTC function remaps years 0-99 to 1900-1999
		if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {
			date.setUTCFullYear(y);
		}
		return date;
	}

	// start-of-first-week - start-of-year
	function firstWeekOffset(year, dow, doy) {
		var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
			fwd = 7 + dow - doy,
			// first-week day local weekday -- which local weekday is fwd
			fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;

		return -fwdlw + fwd - 1;
	}

	// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
	function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
		var localWeekday = (7 + weekday - dow) % 7,
			weekOffset = firstWeekOffset(year, dow, doy),
			dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
			resYear, resDayOfYear;

		if (dayOfYear <= 0) {
			resYear = year - 1;
			resDayOfYear = daysInYear(resYear) + dayOfYear;
		} else if (dayOfYear > daysInYear(year)) {
			resYear = year + 1;
			resDayOfYear = dayOfYear - daysInYear(year);
		} else {
			resYear = year;
			resDayOfYear = dayOfYear;
		}

		return {
			year: resYear,
			dayOfYear: resDayOfYear
		};
	}

	function weekOfYear(mom, dow, doy) {
		var weekOffset = firstWeekOffset(mom.year(), dow, doy),
			week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
			resWeek, resYear;

		if (week < 1) {
			resYear = mom.year() - 1;
			resWeek = week + weeksInYear(resYear, dow, doy);
		} else if (week > weeksInYear(mom.year(), dow, doy)) {
			resWeek = week - weeksInYear(mom.year(), dow, doy);
			resYear = mom.year() + 1;
		} else {
			resYear = mom.year();
			resWeek = week;
		}

		return {
			week: resWeek,
			year: resYear
		};
	}

	function weeksInYear(year, dow, doy) {
		var weekOffset = firstWeekOffset(year, dow, doy),
			weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
		return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
	}

	// FORMATTING

	addFormatToken('w', ['ww', 2], 'wo', 'week');
	addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');

	// ALIASES

	addUnitAlias('week', 'w');
	addUnitAlias('isoWeek', 'W');

	// PRIORITIES

	addUnitPriority('week', 5);
	addUnitPriority('isoWeek', 5);

	// PARSING

	addRegexToken('w', match1to2);
	addRegexToken('ww', match1to2, match2);
	addRegexToken('W', match1to2);
	addRegexToken('WW', match1to2, match2);

	addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {
		week[token.substr(0, 1)] = toInt(input);
	});

	// HELPERS

	// LOCALES

	function localeWeek(mom) {
		return weekOfYear(mom, this._week.dow, this._week.doy).week;
	}

	var defaultLocaleWeek = {
		dow: 0, // Sunday is the first day of the week.
		doy: 6  // The week that contains Jan 1st is the first week of the year.
	};

	function localeFirstDayOfWeek() {
		return this._week.dow;
	}

	function localeFirstDayOfYear() {
		return this._week.doy;
	}

	// MOMENTS

	function getSetWeek(input) {
		var week = this.localeData().week(this);
		return input == null ? week : this.add((input - week) * 7, 'd');
	}

	function getSetISOWeek(input) {
		var week = weekOfYear(this, 1, 4).week;
		return input == null ? week : this.add((input - week) * 7, 'd');
	}

	// FORMATTING

	addFormatToken('d', 0, 'do', 'day');

	addFormatToken('dd', 0, 0, function (format) {
		return this.localeData().weekdaysMin(this, format);
	});

	addFormatToken('ddd', 0, 0, function (format) {
		return this.localeData().weekdaysShort(this, format);
	});

	addFormatToken('dddd', 0, 0, function (format) {
		return this.localeData().weekdays(this, format);
	});

	addFormatToken('e', 0, 0, 'weekday');
	addFormatToken('E', 0, 0, 'isoWeekday');

	// ALIASES

	addUnitAlias('day', 'd');
	addUnitAlias('weekday', 'e');
	addUnitAlias('isoWeekday', 'E');

	// PRIORITY
	addUnitPriority('day', 11);
	addUnitPriority('weekday', 11);
	addUnitPriority('isoWeekday', 11);

	// PARSING

	addRegexToken('d', match1to2);
	addRegexToken('e', match1to2);
	addRegexToken('E', match1to2);
	addRegexToken('dd', function (isStrict, locale) {
		return locale.weekdaysMinRegex(isStrict);
	});
	addRegexToken('ddd', function (isStrict, locale) {
		return locale.weekdaysShortRegex(isStrict);
	});
	addRegexToken('dddd', function (isStrict, locale) {
		return locale.weekdaysRegex(isStrict);
	});

	addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
		var weekday = config._locale.weekdaysParse(input, token, config._strict);
		// if we didn't get a weekday name, mark the date as invalid
		if (weekday != null) {
			week.d = weekday;
		} else {
			getParsingFlags(config).invalidWeekday = input;
		}
	});

	addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
		week[token] = toInt(input);
	});

	// HELPERS

	function parseWeekday(input, locale) {
		if (typeof input !== 'string') {
			return input;
		}

		if (!isNaN(input)) {
			return parseInt(input, 10);
		}

		input = locale.weekdaysParse(input);
		if (typeof input === 'number') {
			return input;
		}

		return null;
	}

	function parseIsoWeekday(input, locale) {
		if (typeof input === 'string') {
			return locale.weekdaysParse(input) % 7 || 7;
		}
		return isNaN(input) ? null : input;
	}

	// LOCALES

	var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');
	function localeWeekdays(m, format) {
		if (!m) {
			return isArray(this._weekdays) ? this._weekdays :
				this._weekdays['standalone'];
		}
		return isArray(this._weekdays) ? this._weekdays[m.day()] :
			this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];
	}

	var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');
	function localeWeekdaysShort(m) {
		return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;
	}

	var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');
	function localeWeekdaysMin(m) {
		return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;
	}

	function handleStrictParse$1(weekdayName, format, strict) {
		var i, ii, mom, llc = weekdayName.toLocaleLowerCase();
		if (!this._weekdaysParse) {
			this._weekdaysParse = [];
			this._shortWeekdaysParse = [];
			this._minWeekdaysParse = [];

			for (i = 0; i < 7; ++i) {
				mom = createUTC([2000, 1]).day(i);
				this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();
				this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();
				this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
			}
		}

		if (strict) {
			if (format === 'dddd') {
				ii = indexOf$1.call(this._weekdaysParse, llc);
				return ii !== -1 ? ii : null;
			} else if (format === 'ddd') {
				ii = indexOf$1.call(this._shortWeekdaysParse, llc);
				return ii !== -1 ? ii : null;
			} else {
				ii = indexOf$1.call(this._minWeekdaysParse, llc);
				return ii !== -1 ? ii : null;
			}
		} else {
			if (format === 'dddd') {
				ii = indexOf$1.call(this._weekdaysParse, llc);
				if (ii !== -1) {
					return ii;
				}
				ii = indexOf$1.call(this._shortWeekdaysParse, llc);
				if (ii !== -1) {
					return ii;
				}
				ii = indexOf$1.call(this._minWeekdaysParse, llc);
				return ii !== -1 ? ii : null;
			} else if (format === 'ddd') {
				ii = indexOf$1.call(this._shortWeekdaysParse, llc);
				if (ii !== -1) {
					return ii;
				}
				ii = indexOf$1.call(this._weekdaysParse, llc);
				if (ii !== -1) {
					return ii;
				}
				ii = indexOf$1.call(this._minWeekdaysParse, llc);
				return ii !== -1 ? ii : null;
			} else {
				ii = indexOf$1.call(this._minWeekdaysParse, llc);
				if (ii !== -1) {
					return ii;
				}
				ii = indexOf$1.call(this._weekdaysParse, llc);
				if (ii !== -1) {
					return ii;
				}
				ii = indexOf$1.call(this._shortWeekdaysParse, llc);
				return ii !== -1 ? ii : null;
			}
		}
	}

	function localeWeekdaysParse(weekdayName, format, strict) {
		var i, mom, regex;

		if (this._weekdaysParseExact) {
			return handleStrictParse$1.call(this, weekdayName, format, strict);
		}

		if (!this._weekdaysParse) {
			this._weekdaysParse = [];
			this._minWeekdaysParse = [];
			this._shortWeekdaysParse = [];
			this._fullWeekdaysParse = [];
		}

		for (i = 0; i < 7; i++) {
			// make the regex if we don't have it already

			mom = createUTC([2000, 1]).day(i);
			if (strict && !this._fullWeekdaysParse[i]) {
				this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\.?') + '$', 'i');
				this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\.?') + '$', 'i');
				this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\.?') + '$', 'i');
			}
			if (!this._weekdaysParse[i]) {
				regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
				this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
			}
			// test the regex
			if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {
				return i;
			} else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {
				return i;
			} else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {
				return i;
			} else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
				return i;
			}
		}
	}

	// MOMENTS

	function getSetDayOfWeek(input) {
		if (!this.isValid()) {
			return input != null ? this : NaN;
		}
		var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
		if (input != null) {
			input = parseWeekday(input, this.localeData());
			return this.add(input - day, 'd');
		} else {
			return day;
		}
	}

	function getSetLocaleDayOfWeek(input) {
		if (!this.isValid()) {
			return input != null ? this : NaN;
		}
		var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
		return input == null ? weekday : this.add(input - weekday, 'd');
	}

	function getSetISODayOfWeek(input) {
		if (!this.isValid()) {
			return input != null ? this : NaN;
		}

		// behaves the same as moment#day except
		// as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
		// as a setter, sunday should belong to the previous week.

		if (input != null) {
			var weekday = parseIsoWeekday(input, this.localeData());
			return this.day(this.day() % 7 ? weekday : weekday - 7);
		} else {
			return this.day() || 7;
		}
	}

	var defaultWeekdaysRegex = matchWord;
	function weekdaysRegex(isStrict) {
		if (this._weekdaysParseExact) {
			if (!hasOwnProp(this, '_weekdaysRegex')) {
				computeWeekdaysParse.call(this);
			}
			if (isStrict) {
				return this._weekdaysStrictRegex;
			} else {
				return this._weekdaysRegex;
			}
		} else {
			if (!hasOwnProp(this, '_weekdaysRegex')) {
				this._weekdaysRegex = defaultWeekdaysRegex;
			}
			return this._weekdaysStrictRegex && isStrict ?
				this._weekdaysStrictRegex : this._weekdaysRegex;
		}
	}

	var defaultWeekdaysShortRegex = matchWord;
	function weekdaysShortRegex(isStrict) {
		if (this._weekdaysParseExact) {
			if (!hasOwnProp(this, '_weekdaysRegex')) {
				computeWeekdaysParse.call(this);
			}
			if (isStrict) {
				return this._weekdaysShortStrictRegex;
			} else {
				return this._weekdaysShortRegex;
			}
		} else {
			if (!hasOwnProp(this, '_weekdaysShortRegex')) {
				this._weekdaysShortRegex = defaultWeekdaysShortRegex;
			}
			return this._weekdaysShortStrictRegex && isStrict ?
				this._weekdaysShortStrictRegex : this._weekdaysShortRegex;
		}
	}

	var defaultWeekdaysMinRegex = matchWord;
	function weekdaysMinRegex(isStrict) {
		if (this._weekdaysParseExact) {
			if (!hasOwnProp(this, '_weekdaysRegex')) {
				computeWeekdaysParse.call(this);
			}
			if (isStrict) {
				return this._weekdaysMinStrictRegex;
			} else {
				return this._weekdaysMinRegex;
			}
		} else {
			if (!hasOwnProp(this, '_weekdaysMinRegex')) {
				this._weekdaysMinRegex = defaultWeekdaysMinRegex;
			}
			return this._weekdaysMinStrictRegex && isStrict ?
				this._weekdaysMinStrictRegex : this._weekdaysMinRegex;
		}
	}


	function computeWeekdaysParse() {
		function cmpLenRev(a, b) {
			return b.length - a.length;
		}

		var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],
			i, mom, minp, shortp, longp;
		for (i = 0; i < 7; i++) {
			// make the regex if we don't have it already
			mom = createUTC([2000, 1]).day(i);
			minp = this.weekdaysMin(mom, '');
			shortp = this.weekdaysShort(mom, '');
			longp = this.weekdays(mom, '');
			minPieces.push(minp);
			shortPieces.push(shortp);
			longPieces.push(longp);
			mixedPieces.push(minp);
			mixedPieces.push(shortp);
			mixedPieces.push(longp);
		}
		// Sorting makes sure if one weekday (or abbr) is a prefix of another it
		// will match the longer piece.
		minPieces.sort(cmpLenRev);
		shortPieces.sort(cmpLenRev);
		longPieces.sort(cmpLenRev);
		mixedPieces.sort(cmpLenRev);
		for (i = 0; i < 7; i++) {
			shortPieces[i] = regexEscape(shortPieces[i]);
			longPieces[i] = regexEscape(longPieces[i]);
			mixedPieces[i] = regexEscape(mixedPieces[i]);
		}

		this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
		this._weekdaysShortRegex = this._weekdaysRegex;
		this._weekdaysMinRegex = this._weekdaysRegex;

		this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
		this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
		this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');
	}

	// FORMATTING

	function hFormat() {
		return this.hours() % 12 || 12;
	}

	function kFormat() {
		return this.hours() || 24;
	}

	addFormatToken('H', ['HH', 2], 0, 'hour');
	addFormatToken('h', ['hh', 2], 0, hFormat);
	addFormatToken('k', ['kk', 2], 0, kFormat);

	addFormatToken('hmm', 0, 0, function () {
		return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
	});

	addFormatToken('hmmss', 0, 0, function () {
		return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +
			zeroFill(this.seconds(), 2);
	});

	addFormatToken('Hmm', 0, 0, function () {
		return '' + this.hours() + zeroFill(this.minutes(), 2);
	});

	addFormatToken('Hmmss', 0, 0, function () {
		return '' + this.hours() + zeroFill(this.minutes(), 2) +
			zeroFill(this.seconds(), 2);
	});

	function meridiem(token, lowercase) {
		addFormatToken(token, 0, 0, function () {
			return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
		});
	}

	meridiem('a', true);
	meridiem('A', false);

	// ALIASES

	addUnitAlias('hour', 'h');

	// PRIORITY
	addUnitPriority('hour', 13);

	// PARSING

	function matchMeridiem(isStrict, locale) {
		return locale._meridiemParse;
	}

	addRegexToken('a', matchMeridiem);
	addRegexToken('A', matchMeridiem);
	addRegexToken('H', match1to2);
	addRegexToken('h', match1to2);
	addRegexToken('k', match1to2);
	addRegexToken('HH', match1to2, match2);
	addRegexToken('hh', match1to2, match2);
	addRegexToken('kk', match1to2, match2);

	addRegexToken('hmm', match3to4);
	addRegexToken('hmmss', match5to6);
	addRegexToken('Hmm', match3to4);
	addRegexToken('Hmmss', match5to6);

	addParseToken(['H', 'HH'], HOUR);
	addParseToken(['k', 'kk'], function (input, array, config) {
		var kInput = toInt(input);
		array[HOUR] = kInput === 24 ? 0 : kInput;
	});
	addParseToken(['a', 'A'], function (input, array, config) {
		config._isPm = config._locale.isPM(input);
		config._meridiem = input;
	});
	addParseToken(['h', 'hh'], function (input, array, config) {
		array[HOUR] = toInt(input);
		getParsingFlags(config).bigHour = true;
	});
	addParseToken('hmm', function (input, array, config) {
		var pos = input.length - 2;
		array[HOUR] = toInt(input.substr(0, pos));
		array[MINUTE] = toInt(input.substr(pos));
		getParsingFlags(config).bigHour = true;
	});
	addParseToken('hmmss', function (input, array, config) {
		var pos1 = input.length - 4;
		var pos2 = input.length - 2;
		array[HOUR] = toInt(input.substr(0, pos1));
		array[MINUTE] = toInt(input.substr(pos1, 2));
		array[SECOND] = toInt(input.substr(pos2));
		getParsingFlags(config).bigHour = true;
	});
	addParseToken('Hmm', function (input, array, config) {
		var pos = input.length - 2;
		array[HOUR] = toInt(input.substr(0, pos));
		array[MINUTE] = toInt(input.substr(pos));
	});
	addParseToken('Hmmss', function (input, array, config) {
		var pos1 = input.length - 4;
		var pos2 = input.length - 2;
		array[HOUR] = toInt(input.substr(0, pos1));
		array[MINUTE] = toInt(input.substr(pos1, 2));
		array[SECOND] = toInt(input.substr(pos2));
	});

	// LOCALES

	function localeIsPM(input) {
		// IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
		// Using charAt should be more compatible.
		return ((input + '').toLowerCase().charAt(0) === 'p');
	}

	var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;
	function localeMeridiem(hours, minutes, isLower) {
		if (hours > 11) {
			return isLower ? 'pm' : 'PM';
		} else {
			return isLower ? 'am' : 'AM';
		}
	}


	// MOMENTS

	// Setting the hour should keep the time, because the user explicitly
	// specified which hour he wants. So trying to maintain the same hour (in
	// a new timezone) makes sense. Adding/subtracting hours does not follow
	// this rule.
	var getSetHour = makeGetSet('Hours', true);

	// months
	// week
	// weekdays
	// meridiem
	var baseConfig = {
		calendar: defaultCalendar,
		longDateFormat: defaultLongDateFormat,
		invalidDate: defaultInvalidDate,
		ordinal: defaultOrdinal,
		dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,
		relativeTime: defaultRelativeTime,

		months: defaultLocaleMonths,
		monthsShort: defaultLocaleMonthsShort,

		week: defaultLocaleWeek,

		weekdays: defaultLocaleWeekdays,
		weekdaysMin: defaultLocaleWeekdaysMin,
		weekdaysShort: defaultLocaleWeekdaysShort,

		meridiemParse: defaultLocaleMeridiemParse
	};

	// internal storage for locale config files
	var locales = {};
	var localeFamilies = {};
	var globalLocale;

	function normalizeLocale(key) {
		return key ? key.toLowerCase().replace('_', '-') : key;
	}

	// pick the locale from the array
	// try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
	// substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
	function chooseLocale(names) {
		var i = 0, j, next, locale, split;

		while (i < names.length) {
			split = normalizeLocale(names[i]).split('-');
			j = split.length;
			next = normalizeLocale(names[i + 1]);
			next = next ? next.split('-') : null;
			while (j > 0) {
				locale = loadLocale(split.slice(0, j).join('-'));
				if (locale) {
					return locale;
				}
				if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
					//the next array item is better than a shallower substring of this one
					break;
				}
				j--;
			}
			i++;
		}
		return null;
	}

	function loadLocale(name) {
		var oldLocale = null;
		// TODO: Find a better way to register and load all the locales in Node
		if (!locales[name] && (typeof module !== 'undefined') &&
				module && module.exports) {
			try {
				oldLocale = globalLocale._abbr;
				require('./locale/' + name);
				// because defineLocale currently also sets the global locale, we
				// want to undo that for lazy loaded locales
				getSetGlobalLocale(oldLocale);
			} catch (e) { }
		}
		return locales[name];
	}

	// This function will load locale and then set the global locale.  If
	// no arguments are passed in, it will simply return the current global
	// locale key.
	function getSetGlobalLocale(key, values) {
		var data;
		if (key) {
			if (isUndefined(values)) {
				data = getLocale(key);
			}
			else {
				data = defineLocale(key, values);
			}

			if (data) {
				// moment.duration._locale = moment._locale = data;
				globalLocale = data;
			}
		}

		return globalLocale._abbr;
	}

	function defineLocale(name, config) {
		if (config !== null) {
			var parentConfig = baseConfig;
			config.abbr = name;
			if (locales[name] != null) {
				deprecateSimple('defineLocaleOverride',
						'use moment.updateLocale(localeName, config) to change ' +
						'an existing locale. moment.defineLocale(localeName, ' +
						'config) should only be used for creating a new locale ' +
						'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');
				parentConfig = locales[name]._config;
			} else if (config.parentLocale != null) {
				if (locales[config.parentLocale] != null) {
					parentConfig = locales[config.parentLocale]._config;
				} else {
					if (!localeFamilies[config.parentLocale]) {
						localeFamilies[config.parentLocale] = [];
					}
					localeFamilies[config.parentLocale].push({
						name: name,
						config: config
					});
					return null;
				}
			}
			locales[name] = new Locale(mergeConfigs(parentConfig, config));

			if (localeFamilies[name]) {
				localeFamilies[name].forEach(function (x) {
					defineLocale(x.name, x.config);
				});
			}

			// backwards compat for now: also set the locale
			// make sure we set the locale AFTER all child locales have been
			// created, so we won't end up with the child locale set.
			getSetGlobalLocale(name);


			return locales[name];
		} else {
			// useful for testing
			delete locales[name];
			return null;
		}
	}

	function updateLocale(name, config) {
		if (config != null) {
			var locale, parentConfig = baseConfig;
			// MERGE
			if (locales[name] != null) {
				parentConfig = locales[name]._config;
			}
			config = mergeConfigs(parentConfig, config);
			locale = new Locale(config);
			locale.parentLocale = locales[name];
			locales[name] = locale;

			// backwards compat for now: also set the locale
			getSetGlobalLocale(name);
		} else {
			// pass null for config to unupdate, useful for tests
			if (locales[name] != null) {
				if (locales[name].parentLocale != null) {
					locales[name] = locales[name].parentLocale;
				} else if (locales[name] != null) {
					delete locales[name];
				}
			}
		}
		return locales[name];
	}

	// returns locale data
	function getLocale(key) {
		var locale;

		if (key && key._locale && key._locale._abbr) {
			key = key._locale._abbr;
		}

		if (!key) {
			return globalLocale;
		}

		if (!isArray(key)) {
			//short-circuit everything else
			locale = loadLocale(key);
			if (locale) {
				return locale;
			}
			key = [key];
		}

		return chooseLocale(key);
	}

	function listLocales() {
		return keys$1(locales);
	}

	function checkOverflow(m) {
		var overflow;
		var a = m._a;

		if (a && getParsingFlags(m).overflow === -2) {
			overflow =
				a[MONTH] < 0 || a[MONTH] > 11 ? MONTH :
				a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE :
				a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :
				a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE :
				a[SECOND] < 0 || a[SECOND] > 59 ? SECOND :
				a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :
				-1;

			if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
				overflow = DATE;
			}
			if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
				overflow = WEEK;
			}
			if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
				overflow = WEEKDAY;
			}

			getParsingFlags(m).overflow = overflow;
		}

		return m;
	}

	// iso 8601 regex
	// 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
	var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
	var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;

	var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;

	var isoDates = [
		['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
		['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
		['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
		['GGGG-[W]WW', /\d{4}-W\d\d/, false],
		['YYYY-DDD', /\d{4}-\d{3}/],
		['YYYY-MM', /\d{4}-\d\d/, false],
		['YYYYYYMMDD', /[+-]\d{10}/],
		['YYYYMMDD', /\d{8}/],
		// YYYYMM is NOT allowed by the standard
		['GGGG[W]WWE', /\d{4}W\d{3}/],
		['GGGG[W]WW', /\d{4}W\d{2}/, false],
		['YYYYDDD', /\d{7}/]
	];

	// iso time formats and regexes
	var isoTimes = [
		['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
		['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
		['HH:mm:ss', /\d\d:\d\d:\d\d/],
		['HH:mm', /\d\d:\d\d/],
		['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
		['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
		['HHmmss', /\d\d\d\d\d\d/],
		['HHmm', /\d\d\d\d/],
		['HH', /\d\d/]
	];

	var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;

	// date from iso format
	function configFromISO(config) {
		var i, l,
			string = config._i,
			match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
			allowTime, dateFormat, timeFormat, tzFormat;

		if (match) {
			getParsingFlags(config).iso = true;

			for (i = 0, l = isoDates.length; i < l; i++) {
				if (isoDates[i][1].exec(match[1])) {
					dateFormat = isoDates[i][0];
					allowTime = isoDates[i][2] !== false;
					break;
				}
			}
			if (dateFormat == null) {
				config._isValid = false;
				return;
			}
			if (match[3]) {
				for (i = 0, l = isoTimes.length; i < l; i++) {
					if (isoTimes[i][1].exec(match[3])) {
						// match[2] should be 'T' or space
						timeFormat = (match[2] || ' ') + isoTimes[i][0];
						break;
					}
				}
				if (timeFormat == null) {
					config._isValid = false;
					return;
				}
			}
			if (!allowTime && timeFormat != null) {
				config._isValid = false;
				return;
			}
			if (match[4]) {
				if (tzRegex.exec(match[4])) {
					tzFormat = 'Z';
				} else {
					config._isValid = false;
					return;
				}
			}
			config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
			configFromStringAndFormat(config);
		} else {
			config._isValid = false;
		}
	}

	// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
	var basicRfcRegex = /^((?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d?\d\s(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(?:\d\d)?\d\d\s)(\d\d:\d\d)(\:\d\d)?(\s(?:UT|GMT|[ECMP][SD]T|[A-IK-Za-ik-z]|[+-]\d{4}))$/;

	// date and time from ref 2822 format
	function configFromRFC2822(config) {
		var string, match, dayFormat,
			dateFormat, timeFormat, tzFormat;
		var timezones = {
			' GMT': ' +0000',
			' EDT': ' -0400',
			' EST': ' -0500',
			' CDT': ' -0500',
			' CST': ' -0600',
			' MDT': ' -0600',
			' MST': ' -0700',
			' PDT': ' -0700',
			' PST': ' -0800'
		};
		var military = 'YXWVUTSRQPONZABCDEFGHIKLM';
		var timezone, timezoneIndex;

		string = config._i
			.replace(/\([^\)]*\)|[\n\t]/g, ' ') // Remove comments and folding whitespace
			.replace(/(\s\s+)/g, ' ') // Replace multiple-spaces with a single space
			.replace(/^\s|\s$/g, ''); // Remove leading and trailing spaces
		match = basicRfcRegex.exec(string);

		if (match) {
			dayFormat = match[1] ? 'ddd' + ((match[1].length === 5) ? ', ' : ' ') : '';
			dateFormat = 'D MMM ' + ((match[2].length > 10) ? 'YYYY ' : 'YY ');
			timeFormat = 'HH:mm' + (match[4] ? ':ss' : '');

			// TODO: Replace the vanilla JS Date object with an indepentent day-of-week check.
			if (match[1]) { // day of week given
				var momentDate = new Date(match[2]);
				var momentDay = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'][momentDate.getDay()];

				if (match[1].substr(0, 3) !== momentDay) {
					getParsingFlags(config).weekdayMismatch = true;
					config._isValid = false;
					return;
				}
			}

			switch (match[5].length) {
				case 2: // military
					if (timezoneIndex === 0) {
						timezone = ' +0000';
					} else {
						timezoneIndex = military.indexOf(match[5][1].toUpperCase()) - 12;
						timezone = ((timezoneIndex < 0) ? ' -' : ' +') +
							(('' + timezoneIndex).replace(/^-?/, '0')).match(/..$/)[0] + '00';
					}
					break;
				case 4: // Zone
					timezone = timezones[match[5]];
					break;
				default: // UT or +/-9999
					timezone = timezones[' GMT'];
			}
			match[5] = timezone;
			config._i = match.splice(1).join('');
			tzFormat = ' ZZ';
			config._f = dayFormat + dateFormat + timeFormat + tzFormat;
			configFromStringAndFormat(config);
			getParsingFlags(config).rfc2822 = true;
		} else {
			config._isValid = false;
		}
	}

	// date from iso format or fallback
	function configFromString(config) {
		var matched = aspNetJsonRegex.exec(config._i);

		if (matched !== null) {
			config._d = new Date(+matched[1]);
			return;
		}

		configFromISO(config);
		if (config._isValid === false) {
			delete config._isValid;
		} else {
			return;
		}

		configFromRFC2822(config);
		if (config._isValid === false) {
			delete config._isValid;
		} else {
			return;
		}

		// Final attempt, use Input Fallback
		hooks.createFromInputFallback(config);
	}

	hooks.createFromInputFallback = deprecate(
		'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +
		'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +
		'discouraged and will be removed in an upcoming major release. Please refer to ' +
		'http://momentjs.com/guides/#/warnings/js-date/ for more info.',
		function (config) {
			config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
		}
	);

	// Pick the first defined of two or three arguments.
	function defaults(a, b, c) {
		if (a != null) {
			return a;
		}
		if (b != null) {
			return b;
		}
		return c;
	}

	function currentDateArray(config) {
		// hooks is actually the exported moment object
		var nowValue = new Date(hooks.now());
		if (config._useUTC) {
			return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];
		}
		return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
	}

	// convert an array to a date.
	// the array should mirror the parameters below
	// note: all values past the year are optional and will default to the lowest possible value.
	// [year, month, day , hour, minute, second, millisecond]
	function configFromArray(config) {
		var i, date, input = [], currentDate, yearToUse;

		if (config._d) {
			return;
		}

		currentDate = currentDateArray(config);

		//compute day of the year from weeks and weekdays
		if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
			dayOfYearFromWeekInfo(config);
		}

		//if the day of the year is set, figure out what it is
		if (config._dayOfYear != null) {
			yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);

			if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) {
				getParsingFlags(config)._overflowDayOfYear = true;
			}

			date = createUTCDate(yearToUse, 0, config._dayOfYear);
			config._a[MONTH] = date.getUTCMonth();
			config._a[DATE] = date.getUTCDate();
		}

		// Default to current date.
		// * if no year, month, day of month are given, default to today
		// * if day of month is given, default month and year
		// * if month is given, default only year
		// * if year is given, don't default anything
		for (i = 0; i < 3 && config._a[i] == null; ++i) {
			config._a[i] = input[i] = currentDate[i];
		}

		// Zero out whatever was not defaulted, including time
		for (; i < 7; i++) {
			config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
		}

		// Check for 24:00:00.000
		if (config._a[HOUR] === 24 &&
				config._a[MINUTE] === 0 &&
				config._a[SECOND] === 0 &&
				config._a[MILLISECOND] === 0) {
			config._nextDay = true;
			config._a[HOUR] = 0;
		}

		config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);
		// Apply timezone offset from input. The actual utcOffset can be changed
		// with parseZone.
		if (config._tzm != null) {
			config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
		}

		if (config._nextDay) {
			config._a[HOUR] = 24;
		}
	}

	function dayOfYearFromWeekInfo(config) {
		var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;

		w = config._w;
		if (w.GG != null || w.W != null || w.E != null) {
			dow = 1;
			doy = 4;

			// TODO: We need to take the current isoWeekYear, but that depends on
			// how we interpret now (local, utc, fixed offset). So create
			// a now version of current config (take local/utc/offset flags, and
			// create now).
			weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);
			week = defaults(w.W, 1);
			weekday = defaults(w.E, 1);
			if (weekday < 1 || weekday > 7) {
				weekdayOverflow = true;
			}
		} else {
			dow = config._locale._week.dow;
			doy = config._locale._week.doy;

			var curWeek = weekOfYear(createLocal(), dow, doy);

			weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);

			// Default to current week.
			week = defaults(w.w, curWeek.week);

			if (w.d != null) {
				// weekday -- low day numbers are considered next week
				weekday = w.d;
				if (weekday < 0 || weekday > 6) {
					weekdayOverflow = true;
				}
			} else if (w.e != null) {
				// local weekday -- counting starts from begining of week
				weekday = w.e + dow;
				if (w.e < 0 || w.e > 6) {
					weekdayOverflow = true;
				}
			} else {
				// default to begining of week
				weekday = dow;
			}
		}
		if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
			getParsingFlags(config)._overflowWeeks = true;
		} else if (weekdayOverflow != null) {
			getParsingFlags(config)._overflowWeekday = true;
		} else {
			temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
			config._a[YEAR] = temp.year;
			config._dayOfYear = temp.dayOfYear;
		}
	}

	// constant that refers to the ISO standard
	hooks.ISO_8601 = function () { };

	// constant that refers to the RFC 2822 form
	hooks.RFC_2822 = function () { };

	// date from string and format string
	function configFromStringAndFormat(config) {
		// TODO: Move this to another part of the creation flow to prevent circular deps
		if (config._f === hooks.ISO_8601) {
			configFromISO(config);
			return;
		}
		if (config._f === hooks.RFC_2822) {
			configFromRFC2822(config);
			return;
		}
		config._a = [];
		getParsingFlags(config).empty = true;

		// This array is used to make a Date, either with `new Date` or `Date.UTC`
		var string = '' + config._i,
			i, parsedInput, tokens, token, skipped,
			stringLength = string.length,
			totalParsedInputLength = 0;

		tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];

		for (i = 0; i < tokens.length; i++) {
			token = tokens[i];
			parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
			// console.log('token', token, 'parsedInput', parsedInput,
			//         'regex', getParseRegexForToken(token, config));
			if (parsedInput) {
				skipped = string.substr(0, string.indexOf(parsedInput));
				if (skipped.length > 0) {
					getParsingFlags(config).unusedInput.push(skipped);
				}
				string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
				totalParsedInputLength += parsedInput.length;
			}
			// don't parse if it's not a known token
			if (formatTokenFunctions[token]) {
				if (parsedInput) {
					getParsingFlags(config).empty = false;
				}
				else {
					getParsingFlags(config).unusedTokens.push(token);
				}
				addTimeToArrayFromToken(token, parsedInput, config);
			}
			else if (config._strict && !parsedInput) {
				getParsingFlags(config).unusedTokens.push(token);
			}
		}

		// add remaining unparsed input length to the string
		getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;
		if (string.length > 0) {
			getParsingFlags(config).unusedInput.push(string);
		}

		// clear _12h flag if hour is <= 12
		if (config._a[HOUR] <= 12 &&
			getParsingFlags(config).bigHour === true &&
			config._a[HOUR] > 0) {
			getParsingFlags(config).bigHour = undefined;
		}

		getParsingFlags(config).parsedDateParts = config._a.slice(0);
		getParsingFlags(config).meridiem = config._meridiem;
		// handle meridiem
		config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);

		configFromArray(config);
		checkOverflow(config);
	}


	function meridiemFixWrap(locale, hour, meridiem) {
		var isPm;

		if (meridiem == null) {
			// nothing to do
			return hour;
		}
		if (locale.meridiemHour != null) {
			return locale.meridiemHour(hour, meridiem);
		} else if (locale.isPM != null) {
			// Fallback
			isPm = locale.isPM(meridiem);
			if (isPm && hour < 12) {
				hour += 12;
			}
			if (!isPm && hour === 12) {
				hour = 0;
			}
			return hour;
		} else {
			// this is not supposed to happen
			return hour;
		}
	}

	// date from string and array of format strings
	function configFromStringAndArray(config) {
		var tempConfig,
			bestMoment,

			scoreToBeat,
			i,
			currentScore;

		if (config._f.length === 0) {
			getParsingFlags(config).invalidFormat = true;
			config._d = new Date(NaN);
			return;
		}

		for (i = 0; i < config._f.length; i++) {
			currentScore = 0;
			tempConfig = copyConfig({}, config);
			if (config._useUTC != null) {
				tempConfig._useUTC = config._useUTC;
			}
			tempConfig._f = config._f[i];
			configFromStringAndFormat(tempConfig);

			if (!isValid(tempConfig)) {
				continue;
			}

			// if there is any input that was not parsed add a penalty for that format
			currentScore += getParsingFlags(tempConfig).charsLeftOver;

			//or tokens
			currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;

			getParsingFlags(tempConfig).score = currentScore;

			if (scoreToBeat == null || currentScore < scoreToBeat) {
				scoreToBeat = currentScore;
				bestMoment = tempConfig;
			}
		}

		extend(config, bestMoment || tempConfig);
	}

	function configFromObject(config) {
		if (config._d) {
			return;
		}

		var i = normalizeObjectUnits(config._i);
		config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {
			return obj && parseInt(obj, 10);
		});

		configFromArray(config);
	}

	function createFromConfig(config) {
		var res = new Moment(checkOverflow(prepareConfig(config)));
		if (res._nextDay) {
			// Adding is smart enough around DST
			res.add(1, 'd');
			res._nextDay = undefined;
		}

		return res;
	}

	function prepareConfig(config) {
		var input = config._i,
			format = config._f;

		config._locale = config._locale || getLocale(config._l);

		if (input === null || (format === undefined && input === '')) {
			return createInvalid({ nullInput: true });
		}

		if (typeof input === 'string') {
			config._i = input = config._locale.preparse(input);
		}

		if (isMoment(input)) {
			return new Moment(checkOverflow(input));
		} else if (isDate(input)) {
			config._d = input;
		} else if (isArray(format)) {
			configFromStringAndArray(config);
		} else if (format) {
			configFromStringAndFormat(config);
		} else {
			configFromInput(config);
		}

		if (!isValid(config)) {
			config._d = null;
		}

		return config;
	}

	function configFromInput(config) {
		var input = config._i;
		if (isUndefined(input)) {
			config._d = new Date(hooks.now());
		} else if (isDate(input)) {
			config._d = new Date(input.valueOf());
		} else if (typeof input === 'string') {
			configFromString(config);
		} else if (isArray(input)) {
			config._a = map(input.slice(0), function (obj) {
				return parseInt(obj, 10);
			});
			configFromArray(config);
		} else if (isObject(input)) {
			configFromObject(config);
		} else if (isNumber(input)) {
			// from milliseconds
			config._d = new Date(input);
		} else {
			hooks.createFromInputFallback(config);
		}
	}

	function createLocalOrUTC(input, format, locale, strict, isUTC) {
		var c = {};

		if (locale === true || locale === false) {
			strict = locale;
			locale = undefined;
		}

		if ((isObject(input) && isObjectEmpty(input)) ||
				(isArray(input) && input.length === 0)) {
			input = undefined;
		}
		// object construction must be done this way.
		// https://github.com/moment/moment/issues/1423
		c._isAMomentObject = true;
		c._useUTC = c._isUTC = isUTC;
		c._l = locale;
		c._i = input;
		c._f = format;
		c._strict = strict;

		return createFromConfig(c);
	}

	function createLocal(input, format, locale, strict) {
		return createLocalOrUTC(input, format, locale, strict, false);
	}

	var prototypeMin = deprecate(
		'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',
		function () {
			var other = createLocal.apply(null, arguments);
			if (this.isValid() && other.isValid()) {
				return other < this ? this : other;
			} else {
				return createInvalid();
			}
		}
	);

	var prototypeMax = deprecate(
		'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',
		function () {
			var other = createLocal.apply(null, arguments);
			if (this.isValid() && other.isValid()) {
				return other > this ? this : other;
			} else {
				return createInvalid();
			}
		}
	);

	// Pick a moment m from moments so that m[fn](other) is true for all
	// other. This relies on the function fn to be transitive.
	//
	// moments should either be an array of moment objects or an array, whose
	// first element is an array of moment objects.
	function pickBy(fn, moments) {
		var res, i;
		if (moments.length === 1 && isArray(moments[0])) {
			moments = moments[0];
		}
		if (!moments.length) {
			return createLocal();
		}
		res = moments[0];
		for (i = 1; i < moments.length; ++i) {
			if (!moments[i].isValid() || moments[i][fn](res)) {
				res = moments[i];
			}
		}
		return res;
	}

	// TODO: Use [].sort instead?
	function min() {
		var args = [].slice.call(arguments, 0);

		return pickBy('isBefore', args);
	}

	function max() {
		var args = [].slice.call(arguments, 0);

		return pickBy('isAfter', args);
	}

	var now = function () {
		return Date.now ? Date.now() : +(new Date());
	};

	var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];

	function isDurationValid(m) {
		for (var key in m) {
			if (!(ordering.indexOf(key) !== -1 && (m[key] == null || !isNaN(m[key])))) {
				return false;
			}
		}

		var unitHasDecimal = false;
		for (var i = 0; i < ordering.length; ++i) {
			if (m[ordering[i]]) {
				if (unitHasDecimal) {
					return false; // only allow non-integers for smallest unit
				}
				if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {
					unitHasDecimal = true;
				}
			}
		}

		return true;
	}

	function isValid$1() {
		return this._isValid;
	}

	function createInvalid$1() {
		return createDuration(NaN);
	}

	function Duration(duration) {
		var normalizedInput = normalizeObjectUnits(duration),
			years = normalizedInput.year || 0,
			quarters = normalizedInput.quarter || 0,
			months = normalizedInput.month || 0,
			weeks = normalizedInput.week || 0,
			days = normalizedInput.day || 0,
			hours = normalizedInput.hour || 0,
			minutes = normalizedInput.minute || 0,
			seconds = normalizedInput.second || 0,
			milliseconds = normalizedInput.millisecond || 0;

		this._isValid = isDurationValid(normalizedInput);

		// representation for dateAddRemove
		this._milliseconds = +milliseconds +
			seconds * 1e3 + // 1000
			minutes * 6e4 + // 1000 * 60
			hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
		// Because of dateAddRemove treats 24 hours as different from a
		// day when working around DST, we need to store them separately
		this._days = +days +
			weeks * 7;
		// It is impossible translate months into days without knowing
		// which months you are are talking about, so we have to store
		// it separately.
		this._months = +months +
			quarters * 3 +
			years * 12;

		this._data = {};

		this._locale = getLocale();

		this._bubble();
	}

	function isDuration(obj) {
		return obj instanceof Duration;
	}

	function absRound(number) {
		if (number < 0) {
			return Math.round(-1 * number) * -1;
		} else {
			return Math.round(number);
		}
	}

	// FORMATTING

	function offset(token, separator) {
		addFormatToken(token, 0, 0, function () {
			var offset = this.utcOffset();
			var sign = '+';
			if (offset < 0) {
				offset = -offset;
				sign = '-';
			}
			return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);
		});
	}

	offset('Z', ':');
	offset('ZZ', '');

	// PARSING

	addRegexToken('Z', matchShortOffset);
	addRegexToken('ZZ', matchShortOffset);
	addParseToken(['Z', 'ZZ'], function (input, array, config) {
		config._useUTC = true;
		config._tzm = offsetFromString(matchShortOffset, input);
	});

	// HELPERS

	// timezone chunker
	// '+10:00' > ['10',  '00']
	// '-1530'  > ['-15', '30']
	var chunkOffset = /([\+\-]|\d\d)/gi;

	function offsetFromString(matcher, string) {
		var matches = (string || '').match(matcher);

		if (matches === null) {
			return null;
		}

		var chunk = matches[matches.length - 1] || [];
		var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];
		var minutes = +(parts[1] * 60) + toInt(parts[2]);

		return minutes === 0 ?
		  0 :
		  parts[0] === '+' ? minutes : -minutes;
	}

	// Return a moment from input, that is local/utc/zone equivalent to model.
	function cloneWithOffset(input, model) {
		var res, diff;
		if (model._isUTC) {
			res = model.clone();
			diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf();
			// Use low-level api, because this fn is low-level api.
			res._d.setTime(res._d.valueOf() + diff);
			hooks.updateOffset(res, false);
			return res;
		} else {
			return createLocal(input).local();
		}
	}

	function getDateOffset(m) {
		// On Firefox.24 Date#getTimezoneOffset returns a floating point.
		// https://github.com/moment/moment/pull/1871
		return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
	}

	// HOOKS

	// This function will be called whenever a moment is mutated.
	// It is intended to keep the offset in sync with the timezone.
	hooks.updateOffset = function () { };

	// MOMENTS

	// keepLocalTime = true means only change the timezone, without
	// affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
	// 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
	// +0200, so we adjust the time as needed, to be valid.
	//
	// Keeping the time actually adds/subtracts (one hour)
	// from the actual represented time. That is why we call updateOffset
	// a second time. In case it wants us to change the offset again
	// _changeInProgress == true case, then we have to adjust, because
	// there is no such time in the given timezone.
	function getSetOffset(input, keepLocalTime, keepMinutes) {
		var offset = this._offset || 0,
			localAdjust;
		if (!this.isValid()) {
			return input != null ? this : NaN;
		}
		if (input != null) {
			if (typeof input === 'string') {
				input = offsetFromString(matchShortOffset, input);
				if (input === null) {
					return this;
				}
			} else if (Math.abs(input) < 16 && !keepMinutes) {
				input = input * 60;
			}
			if (!this._isUTC && keepLocalTime) {
				localAdjust = getDateOffset(this);
			}
			this._offset = input;
			this._isUTC = true;
			if (localAdjust != null) {
				this.add(localAdjust, 'm');
			}
			if (offset !== input) {
				if (!keepLocalTime || this._changeInProgress) {
					addSubtract(this, createDuration(input - offset, 'm'), 1, false);
				} else if (!this._changeInProgress) {
					this._changeInProgress = true;
					hooks.updateOffset(this, true);
					this._changeInProgress = null;
				}
			}
			return this;
		} else {
			return this._isUTC ? offset : getDateOffset(this);
		}
	}

	function getSetZone(input, keepLocalTime) {
		if (input != null) {
			if (typeof input !== 'string') {
				input = -input;
			}

			this.utcOffset(input, keepLocalTime);

			return this;
		} else {
			return -this.utcOffset();
		}
	}

	function setOffsetToUTC(keepLocalTime) {
		return this.utcOffset(0, keepLocalTime);
	}

	function setOffsetToLocal(keepLocalTime) {
		if (this._isUTC) {
			this.utcOffset(0, keepLocalTime);
			this._isUTC = false;

			if (keepLocalTime) {
				this.subtract(getDateOffset(this), 'm');
			}
		}
		return this;
	}

	function setOffsetToParsedOffset() {
		if (this._tzm != null) {
			this.utcOffset(this._tzm, false, true);
		} else if (typeof this._i === 'string') {
			var tZone = offsetFromString(matchOffset, this._i);
			if (tZone != null) {
				this.utcOffset(tZone);
			}
			else {
				this.utcOffset(0, true);
			}
		}
		return this;
	}

	function hasAlignedHourOffset(input) {
		if (!this.isValid()) {
			return false;
		}
		input = input ? createLocal(input).utcOffset() : 0;

		return (this.utcOffset() - input) % 60 === 0;
	}

	function isDaylightSavingTime() {
		return (
			this.utcOffset() > this.clone().month(0).utcOffset() ||
			this.utcOffset() > this.clone().month(5).utcOffset()
		);
	}

	function isDaylightSavingTimeShifted() {
		if (!isUndefined(this._isDSTShifted)) {
			return this._isDSTShifted;
		}

		var c = {};

		copyConfig(c, this);
		c = prepareConfig(c);

		if (c._a) {
			var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);
			this._isDSTShifted = this.isValid() &&
				compareArrays(c._a, other.toArray()) > 0;
		} else {
			this._isDSTShifted = false;
		}

		return this._isDSTShifted;
	}

	function isLocal() {
		return this.isValid() ? !this._isUTC : false;
	}

	function isUtcOffset() {
		return this.isValid() ? this._isUTC : false;
	}

	function isUtc() {
		return this.isValid() ? this._isUTC && this._offset === 0 : false;
	}

	// ASP.NET json date format regex
	var aspNetRegex = /^(\-)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/;

	// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
	// somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
	// and further modified to allow for strings containing both week and day
	var isoRegex = /^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;

	function createDuration(input, key) {
		var duration = input,
			// matching against regexp is expensive, do it on demand
			match = null,
			sign,
			ret,
			diffRes;

		if (isDuration(input)) {
			duration = {
				ms: input._milliseconds,
				d: input._days,
				M: input._months
			};
		} else if (isNumber(input)) {
			duration = {};
			if (key) {
				duration[key] = input;
			} else {
				duration.milliseconds = input;
			}
		} else if (!!(match = aspNetRegex.exec(input))) {
			sign = (match[1] === '-') ? -1 : 1;
			duration = {
				y: 0,
				d: toInt(match[DATE]) * sign,
				h: toInt(match[HOUR]) * sign,
				m: toInt(match[MINUTE]) * sign,
				s: toInt(match[SECOND]) * sign,
				ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match
			};
		} else if (!!(match = isoRegex.exec(input))) {
			sign = (match[1] === '-') ? -1 : 1;
			duration = {
				y: parseIso(match[2], sign),
				M: parseIso(match[3], sign),
				w: parseIso(match[4], sign),
				d: parseIso(match[5], sign),
				h: parseIso(match[6], sign),
				m: parseIso(match[7], sign),
				s: parseIso(match[8], sign)
			};
		} else if (duration == null) {// checks for null or undefined
			duration = {};
		} else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {
			diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));

			duration = {};
			duration.ms = diffRes.milliseconds;
			duration.M = diffRes.months;
		}

		ret = new Duration(duration);

		if (isDuration(input) && hasOwnProp(input, '_locale')) {
			ret._locale = input._locale;
		}

		return ret;
	}

	createDuration.fn = Duration.prototype;
	createDuration.invalid = createInvalid$1;

	function parseIso(inp, sign) {
		// We'd normally use ~~inp for this, but unfortunately it also
		// converts floats to ints.
		// inp may be undefined, so careful calling replace on it.
		var res = inp && parseFloat(inp.replace(',', '.'));
		// apply sign while we're at it
		return (isNaN(res) ? 0 : res) * sign;
	}

	function positiveMomentsDifference(base, other) {
		var res = { milliseconds: 0, months: 0 };

		res.months = other.month() - base.month() +
			(other.year() - base.year()) * 12;
		if (base.clone().add(res.months, 'M').isAfter(other)) {
			--res.months;
		}

		res.milliseconds = +other - +(base.clone().add(res.months, 'M'));

		return res;
	}

	function momentsDifference(base, other) {
		var res;
		if (!(base.isValid() && other.isValid())) {
			return { milliseconds: 0, months: 0 };
		}

		other = cloneWithOffset(other, base);
		if (base.isBefore(other)) {
			res = positiveMomentsDifference(base, other);
		} else {
			res = positiveMomentsDifference(other, base);
			res.milliseconds = -res.milliseconds;
			res.months = -res.months;
		}

		return res;
	}

	// TODO: remove 'name' arg after deprecation is removed
	function createAdder(direction, name) {
		return function (val, period) {
			var dur, tmp;
			//invert the arguments, but complain about it
			if (period !== null && !isNaN(+period)) {
				deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +
				'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');
				tmp = val; val = period; period = tmp;
			}

			val = typeof val === 'string' ? +val : val;
			dur = createDuration(val, period);
			addSubtract(this, dur, direction);
			return this;
		};
	}

	function addSubtract(mom, duration, isAdding, updateOffset) {
		var milliseconds = duration._milliseconds,
			days = absRound(duration._days),
			months = absRound(duration._months);

		if (!mom.isValid()) {
			// No op
			return;
		}

		updateOffset = updateOffset == null ? true : updateOffset;

		if (milliseconds) {
			mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
		}
		if (days) {
			set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);
		}
		if (months) {
			setMonth(mom, get(mom, 'Month') + months * isAdding);
		}
		if (updateOffset) {
			hooks.updateOffset(mom, days || months);
		}
	}

	var add = createAdder(1, 'add');
	var subtract = createAdder(-1, 'subtract');

	function getCalendarFormat(myMoment, now) {
		var diff = myMoment.diff(now, 'days', true);
		return diff < -6 ? 'sameElse' :
				diff < -1 ? 'lastWeek' :
				diff < 0 ? 'lastDay' :
				diff < 1 ? 'sameDay' :
				diff < 2 ? 'nextDay' :
				diff < 7 ? 'nextWeek' : 'sameElse';
	}

	function calendar$1(time, formats) {
		// We want to compare the start of today, vs this.
		// Getting start-of-today depends on whether we're local/utc/offset or not.
		var now = time || createLocal(),
			sod = cloneWithOffset(now, this).startOf('day'),
			format = hooks.calendarFormat(this, sod) || 'sameElse';

		var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);

		return this.format(output || this.localeData().calendar(format, this, createLocal(now)));
	}

	function clone() {
		return new Moment(this);
	}

	function isAfter(input, units) {
		var localInput = isMoment(input) ? input : createLocal(input);
		if (!(this.isValid() && localInput.isValid())) {
			return false;
		}
		units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
		if (units === 'millisecond') {
			return this.valueOf() > localInput.valueOf();
		} else {
			return localInput.valueOf() < this.clone().startOf(units).valueOf();
		}
	}

	function isBefore(input, units) {
		var localInput = isMoment(input) ? input : createLocal(input);
		if (!(this.isValid() && localInput.isValid())) {
			return false;
		}
		units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
		if (units === 'millisecond') {
			return this.valueOf() < localInput.valueOf();
		} else {
			return this.clone().endOf(units).valueOf() < localInput.valueOf();
		}
	}

	function isBetween(from, to, units, inclusivity) {
		inclusivity = inclusivity || '()';
		return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&
			(inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));
	}

	function isSame(input, units) {
		var localInput = isMoment(input) ? input : createLocal(input),
			inputMs;
		if (!(this.isValid() && localInput.isValid())) {
			return false;
		}
		units = normalizeUnits(units || 'millisecond');
		if (units === 'millisecond') {
			return this.valueOf() === localInput.valueOf();
		} else {
			inputMs = localInput.valueOf();
			return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();
		}
	}

	function isSameOrAfter(input, units) {
		return this.isSame(input, units) || this.isAfter(input, units);
	}

	function isSameOrBefore(input, units) {
		return this.isSame(input, units) || this.isBefore(input, units);
	}

	function diff(input, units, asFloat) {
		var that,
			zoneDelta,
			delta, output;

		if (!this.isValid()) {
			return NaN;
		}

		that = cloneWithOffset(input, this);

		if (!that.isValid()) {
			return NaN;
		}

		zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;

		units = normalizeUnits(units);

		if (units === 'year' || units === 'month' || units === 'quarter') {
			output = monthDiff(this, that);
			if (units === 'quarter') {
				output = output / 3;
			} else if (units === 'year') {
				output = output / 12;
			}
		} else {
			delta = this - that;
			output = units === 'second' ? delta / 1e3 : // 1000
				units === 'minute' ? delta / 6e4 : // 1000 * 60
				units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60
				units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst
				units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst
				delta;
		}
		return asFloat ? output : absFloor(output);
	}

	function monthDiff(a, b) {
		// difference in months
		var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
			// b is in (anchor - 1 month, anchor + 1 month)
			anchor = a.clone().add(wholeMonthDiff, 'months'),
			anchor2, adjust;

		if (b - anchor < 0) {
			anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
			// linear across the month
			adjust = (b - anchor) / (anchor - anchor2);
		} else {
			anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');
			// linear across the month
			adjust = (b - anchor) / (anchor2 - anchor);
		}

		//check for negative zero, return zero if negative zero
		return -(wholeMonthDiff + adjust) || 0;
	}

	hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
	hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';

	function toString() {
		return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
	}

	function toISOString() {
		if (!this.isValid()) {
			return null;
		}
		var m = this.clone().utc();
		if (m.year() < 0 || m.year() > 9999) {
			return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
		}
		if (isFunction(Date.prototype.toISOString)) {
			// native implementation is ~50x faster, use it when we can
			return this.toDate().toISOString();
		}
		return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
	}

	/**
	 * Return a human readable representation of a moment that can
	 * also be evaluated to get a new moment which is the same
	 *
	 * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects
	 */
	function inspect() {
		if (!this.isValid()) {
			return 'moment.invalid(/* ' + this._i + ' */)';
		}
		var func = 'moment';
		var zone = '';
		if (!this.isLocal()) {
			func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';
			zone = 'Z';
		}
		var prefix = '[' + func + '("]';
		var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY';
		var datetime = '-MM-DD[T]HH:mm:ss.SSS';
		var suffix = zone + '[")]';

		return this.format(prefix + year + datetime + suffix);
	}

	function format(inputString) {
		if (!inputString) {
			inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;
		}
		var output = formatMoment(this, inputString);
		return this.localeData().postformat(output);
	}

	function from(time, withoutSuffix) {
		if (this.isValid() &&
				((isMoment(time) && time.isValid()) ||
				 createLocal(time).isValid())) {
			return createDuration({ to: this, from: time }).locale(this.locale()).humanize(!withoutSuffix);
		} else {
			return this.localeData().invalidDate();
		}
	}

	function fromNow(withoutSuffix) {
		return this.from(createLocal(), withoutSuffix);
	}

	function to(time, withoutSuffix) {
		if (this.isValid() &&
				((isMoment(time) && time.isValid()) ||
				 createLocal(time).isValid())) {
			return createDuration({ from: this, to: time }).locale(this.locale()).humanize(!withoutSuffix);
		} else {
			return this.localeData().invalidDate();
		}
	}

	function toNow(withoutSuffix) {
		return this.to(createLocal(), withoutSuffix);
	}

	// If passed a locale key, it will set the locale for this
	// instance.  Otherwise, it will return the locale configuration
	// variables for this instance.
	function locale(key) {
		var newLocaleData;

		if (key === undefined) {
			return this._locale._abbr;
		} else {
			newLocaleData = getLocale(key);
			if (newLocaleData != null) {
				this._locale = newLocaleData;
			}
			return this;
		}
	}

	var lang = deprecate(
		'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
		function (key) {
			if (key === undefined) {
				return this.localeData();
			} else {
				return this.locale(key);
			}
		}
	);

	function localeData() {
		return this._locale;
	}

	function startOf(units) {
		units = normalizeUnits(units);
		// the following switch intentionally omits break keywords
		// to utilize falling through the cases.
		switch (units) {
			case 'year':
				this.month(0);
				/* falls through */
			case 'quarter':
			case 'month':
				this.date(1);
				/* falls through */
			case 'week':
			case 'isoWeek':
			case 'day':
			case 'date':
				this.hours(0);
				/* falls through */
			case 'hour':
				this.minutes(0);
				/* falls through */
			case 'minute':
				this.seconds(0);
				/* falls through */
			case 'second':
				this.milliseconds(0);
		}

		// weeks are a special case
		if (units === 'week') {
			this.weekday(0);
		}
		if (units === 'isoWeek') {
			this.isoWeekday(1);
		}

		// quarters are also special
		if (units === 'quarter') {
			this.month(Math.floor(this.month() / 3) * 3);
		}

		return this;
	}

	function endOf(units) {
		units = normalizeUnits(units);
		if (units === undefined || units === 'millisecond') {
			return this;
		}

		// 'date' is an alias for 'day', so it should be considered as such.
		if (units === 'date') {
			units = 'day';
		}

		return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');
	}

	function valueOf() {
		return this._d.valueOf() - ((this._offset || 0) * 60000);
	}

	function unix() {
		return Math.floor(this.valueOf() / 1000);
	}

	function toDate() {
		return new Date(this.valueOf());
	}

	function toArray() {
		var m = this;
		return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];
	}

	function toObject() {
		var m = this;
		return {
			years: m.year(),
			months: m.month(),
			date: m.date(),
			hours: m.hours(),
			minutes: m.minutes(),
			seconds: m.seconds(),
			milliseconds: m.milliseconds()
		};
	}

	function toJSON() {
		// new Date(NaN).toJSON() === null
		return this.isValid() ? this.toISOString() : null;
	}

	function isValid$2() {
		return isValid(this);
	}

	function parsingFlags() {
		return extend({}, getParsingFlags(this));
	}

	function invalidAt() {
		return getParsingFlags(this).overflow;
	}

	function creationData() {
		return {
			input: this._i,
			format: this._f,
			locale: this._locale,
			isUTC: this._isUTC,
			strict: this._strict
		};
	}

	// FORMATTING

	addFormatToken(0, ['gg', 2], 0, function () {
		return this.weekYear() % 100;
	});

	addFormatToken(0, ['GG', 2], 0, function () {
		return this.isoWeekYear() % 100;
	});

	function addWeekYearFormatToken(token, getter) {
		addFormatToken(0, [token, token.length], 0, getter);
	}

	addWeekYearFormatToken('gggg', 'weekYear');
	addWeekYearFormatToken('ggggg', 'weekYear');
	addWeekYearFormatToken('GGGG', 'isoWeekYear');
	addWeekYearFormatToken('GGGGG', 'isoWeekYear');

	// ALIASES

	addUnitAlias('weekYear', 'gg');
	addUnitAlias('isoWeekYear', 'GG');

	// PRIORITY

	addUnitPriority('weekYear', 1);
	addUnitPriority('isoWeekYear', 1);


	// PARSING

	addRegexToken('G', matchSigned);
	addRegexToken('g', matchSigned);
	addRegexToken('GG', match1to2, match2);
	addRegexToken('gg', match1to2, match2);
	addRegexToken('GGGG', match1to4, match4);
	addRegexToken('gggg', match1to4, match4);
	addRegexToken('GGGGG', match1to6, match6);
	addRegexToken('ggggg', match1to6, match6);

	addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {
		week[token.substr(0, 2)] = toInt(input);
	});

	addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
		week[token] = hooks.parseTwoDigitYear(input);
	});

	// MOMENTS

	function getSetWeekYear(input) {
		return getSetWeekYearHelper.call(this,
				input,
				this.week(),
				this.weekday(),
				this.localeData()._week.dow,
				this.localeData()._week.doy);
	}

	function getSetISOWeekYear(input) {
		return getSetWeekYearHelper.call(this,
				input, this.isoWeek(), this.isoWeekday(), 1, 4);
	}

	function getISOWeeksInYear() {
		return weeksInYear(this.year(), 1, 4);
	}

	function getWeeksInYear() {
		var weekInfo = this.localeData()._week;
		return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
	}

	function getSetWeekYearHelper(input, week, weekday, dow, doy) {
		var weeksTarget;
		if (input == null) {
			return weekOfYear(this, dow, doy).year;
		} else {
			weeksTarget = weeksInYear(input, dow, doy);
			if (week > weeksTarget) {
				week = weeksTarget;
			}
			return setWeekAll.call(this, input, week, weekday, dow, doy);
		}
	}

	function setWeekAll(weekYear, week, weekday, dow, doy) {
		var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
			date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);

		this.year(date.getUTCFullYear());
		this.month(date.getUTCMonth());
		this.date(date.getUTCDate());
		return this;
	}

	// FORMATTING

	addFormatToken('Q', 0, 'Qo', 'quarter');

	// ALIASES

	addUnitAlias('quarter', 'Q');

	// PRIORITY

	addUnitPriority('quarter', 7);

	// PARSING

	addRegexToken('Q', match1);
	addParseToken('Q', function (input, array) {
		array[MONTH] = (toInt(input) - 1) * 3;
	});

	// MOMENTS

	function getSetQuarter(input) {
		return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
	}

	// FORMATTING

	addFormatToken('D', ['DD', 2], 'Do', 'date');

	// ALIASES

	addUnitAlias('date', 'D');

	// PRIOROITY
	addUnitPriority('date', 9);

	// PARSING

	addRegexToken('D', match1to2);
	addRegexToken('DD', match1to2, match2);
	addRegexToken('Do', function (isStrict, locale) {
		// TODO: Remove "ordinalParse" fallback in next major release.
		return isStrict ?
		  (locale._dayOfMonthOrdinalParse || locale._ordinalParse) :
		  locale._dayOfMonthOrdinalParseLenient;
	});

	addParseToken(['D', 'DD'], DATE);
	addParseToken('Do', function (input, array) {
		array[DATE] = toInt(input.match(match1to2)[0], 10);
	});

	// MOMENTS

	var getSetDayOfMonth = makeGetSet('Date', true);

	// FORMATTING

	addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');

	// ALIASES

	addUnitAlias('dayOfYear', 'DDD');

	// PRIORITY
	addUnitPriority('dayOfYear', 4);

	// PARSING

	addRegexToken('DDD', match1to3);
	addRegexToken('DDDD', match3);
	addParseToken(['DDD', 'DDDD'], function (input, array, config) {
		config._dayOfYear = toInt(input);
	});

	// HELPERS

	// MOMENTS

	function getSetDayOfYear(input) {
		var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;
		return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
	}

	// FORMATTING

	addFormatToken('m', ['mm', 2], 0, 'minute');

	// ALIASES

	addUnitAlias('minute', 'm');

	// PRIORITY

	addUnitPriority('minute', 14);

	// PARSING

	addRegexToken('m', match1to2);
	addRegexToken('mm', match1to2, match2);
	addParseToken(['m', 'mm'], MINUTE);

	// MOMENTS

	var getSetMinute = makeGetSet('Minutes', false);

	// FORMATTING

	addFormatToken('s', ['ss', 2], 0, 'second');

	// ALIASES

	addUnitAlias('second', 's');

	// PRIORITY

	addUnitPriority('second', 15);

	// PARSING

	addRegexToken('s', match1to2);
	addRegexToken('ss', match1to2, match2);
	addParseToken(['s', 'ss'], SECOND);

	// MOMENTS

	var getSetSecond = makeGetSet('Seconds', false);

	// FORMATTING

	addFormatToken('S', 0, 0, function () {
		return ~~(this.millisecond() / 100);
	});

	addFormatToken(0, ['SS', 2], 0, function () {
		return ~~(this.millisecond() / 10);
	});

	addFormatToken(0, ['SSS', 3], 0, 'millisecond');
	addFormatToken(0, ['SSSS', 4], 0, function () {
		return this.millisecond() * 10;
	});
	addFormatToken(0, ['SSSSS', 5], 0, function () {
		return this.millisecond() * 100;
	});
	addFormatToken(0, ['SSSSSS', 6], 0, function () {
		return this.millisecond() * 1000;
	});
	addFormatToken(0, ['SSSSSSS', 7], 0, function () {
		return this.millisecond() * 10000;
	});
	addFormatToken(0, ['SSSSSSSS', 8], 0, function () {
		return this.millisecond() * 100000;
	});
	addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {
		return this.millisecond() * 1000000;
	});


	// ALIASES

	addUnitAlias('millisecond', 'ms');

	// PRIORITY

	addUnitPriority('millisecond', 16);

	// PARSING

	addRegexToken('S', match1to3, match1);
	addRegexToken('SS', match1to3, match2);
	addRegexToken('SSS', match1to3, match3);

	var token;
	for (token = 'SSSS'; token.length <= 9; token += 'S') {
		addRegexToken(token, matchUnsigned);
	}

	function parseMs(input, array) {
		array[MILLISECOND] = toInt(('0.' + input) * 1000);
	}

	for (token = 'S'; token.length <= 9; token += 'S') {
		addParseToken(token, parseMs);
	}
	// MOMENTS

	var getSetMillisecond = makeGetSet('Milliseconds', false);

	// FORMATTING

	addFormatToken('z', 0, 0, 'zoneAbbr');
	addFormatToken('zz', 0, 0, 'zoneName');

	// MOMENTS

	function getZoneAbbr() {
		return this._isUTC ? 'UTC' : '';
	}

	function getZoneName() {
		return this._isUTC ? 'Coordinated Universal Time' : '';
	}

	var proto = Moment.prototype;

	proto.add = add;
	proto.calendar = calendar$1;
	proto.clone = clone;
	proto.diff = diff;
	proto.endOf = endOf;
	proto.format = format;
	proto.from = from;
	proto.fromNow = fromNow;
	proto.to = to;
	proto.toNow = toNow;
	proto.get = stringGet;
	proto.invalidAt = invalidAt;
	proto.isAfter = isAfter;
	proto.isBefore = isBefore;
	proto.isBetween = isBetween;
	proto.isSame = isSame;
	proto.isSameOrAfter = isSameOrAfter;
	proto.isSameOrBefore = isSameOrBefore;
	proto.isValid = isValid$2;
	proto.lang = lang;
	proto.locale = locale;
	proto.localeData = localeData;
	proto.max = prototypeMax;
	proto.min = prototypeMin;
	proto.parsingFlags = parsingFlags;
	proto.set = stringSet;
	proto.startOf = startOf;
	proto.subtract = subtract;
	proto.toArray = toArray;
	proto.toObject = toObject;
	proto.toDate = toDate;
	proto.toISOString = toISOString;
	proto.inspect = inspect;
	proto.toJSON = toJSON;
	proto.toString = toString;
	proto.unix = unix;
	proto.valueOf = valueOf;
	proto.creationData = creationData;

	// Year
	proto.year = getSetYear;
	proto.isLeapYear = getIsLeapYear;

	// Week Year
	proto.weekYear = getSetWeekYear;
	proto.isoWeekYear = getSetISOWeekYear;

	// Quarter
	proto.quarter = proto.quarters = getSetQuarter;

	// Month
	proto.month = getSetMonth;
	proto.daysInMonth = getDaysInMonth;

	// Week
	proto.week = proto.weeks = getSetWeek;
	proto.isoWeek = proto.isoWeeks = getSetISOWeek;
	proto.weeksInYear = getWeeksInYear;
	proto.isoWeeksInYear = getISOWeeksInYear;

	// Day
	proto.date = getSetDayOfMonth;
	proto.day = proto.days = getSetDayOfWeek;
	proto.weekday = getSetLocaleDayOfWeek;
	proto.isoWeekday = getSetISODayOfWeek;
	proto.dayOfYear = getSetDayOfYear;

	// Hour
	proto.hour = proto.hours = getSetHour;

	// Minute
	proto.minute = proto.minutes = getSetMinute;

	// Second
	proto.second = proto.seconds = getSetSecond;

	// Millisecond
	proto.millisecond = proto.milliseconds = getSetMillisecond;

	// Offset
	proto.utcOffset = getSetOffset;
	proto.utc = setOffsetToUTC;
	proto.local = setOffsetToLocal;
	proto.parseZone = setOffsetToParsedOffset;
	proto.hasAlignedHourOffset = hasAlignedHourOffset;
	proto.isDST = isDaylightSavingTime;
	proto.isLocal = isLocal;
	proto.isUtcOffset = isUtcOffset;
	proto.isUtc = isUtc;
	proto.isUTC = isUtc;

	// Timezone
	proto.zoneAbbr = getZoneAbbr;
	proto.zoneName = getZoneName;

	// Deprecations
	proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);
	proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);
	proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear);
	proto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);
	proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);

	function createUnix(input) {
		return createLocal(input * 1000);
	}

	function createInZone() {
		return createLocal.apply(null, arguments).parseZone();
	}

	function preParsePostFormat(string) {
		return string;
	}

	var proto$1 = Locale.prototype;

	proto$1.calendar = calendar;
	proto$1.longDateFormat = longDateFormat;
	proto$1.invalidDate = invalidDate;
	proto$1.ordinal = ordinal;
	proto$1.preparse = preParsePostFormat;
	proto$1.postformat = preParsePostFormat;
	proto$1.relativeTime = relativeTime;
	proto$1.pastFuture = pastFuture;
	proto$1.set = set;

	// Month
	proto$1.months = localeMonths;
	proto$1.monthsShort = localeMonthsShort;
	proto$1.monthsParse = localeMonthsParse;
	proto$1.monthsRegex = monthsRegex;
	proto$1.monthsShortRegex = monthsShortRegex;

	// Week
	proto$1.week = localeWeek;
	proto$1.firstDayOfYear = localeFirstDayOfYear;
	proto$1.firstDayOfWeek = localeFirstDayOfWeek;

	// Day of Week
	proto$1.weekdays = localeWeekdays;
	proto$1.weekdaysMin = localeWeekdaysMin;
	proto$1.weekdaysShort = localeWeekdaysShort;
	proto$1.weekdaysParse = localeWeekdaysParse;

	proto$1.weekdaysRegex = weekdaysRegex;
	proto$1.weekdaysShortRegex = weekdaysShortRegex;
	proto$1.weekdaysMinRegex = weekdaysMinRegex;

	// Hours
	proto$1.isPM = localeIsPM;
	proto$1.meridiem = localeMeridiem;

	function get$1(format, index, field, setter) {
		var locale = getLocale();
		var utc = createUTC().set(setter, index);
		return locale[field](utc, format);
	}

	function listMonthsImpl(format, index, field) {
		if (isNumber(format)) {
			index = format;
			format = undefined;
		}

		format = format || '';

		if (index != null) {
			return get$1(format, index, field, 'month');
		}

		var i;
		var out = [];
		for (i = 0; i < 12; i++) {
			out[i] = get$1(format, i, field, 'month');
		}
		return out;
	}

	// ()
	// (5)
	// (fmt, 5)
	// (fmt)
	// (true)
	// (true, 5)
	// (true, fmt, 5)
	// (true, fmt)
	function listWeekdaysImpl(localeSorted, format, index, field) {
		if (typeof localeSorted === 'boolean') {
			if (isNumber(format)) {
				index = format;
				format = undefined;
			}

			format = format || '';
		} else {
			format = localeSorted;
			index = format;
			localeSorted = false;

			if (isNumber(format)) {
				index = format;
				format = undefined;
			}

			format = format || '';
		}

		var locale = getLocale(),
			shift = localeSorted ? locale._week.dow : 0;

		if (index != null) {
			return get$1(format, (index + shift) % 7, field, 'day');
		}

		var i;
		var out = [];
		for (i = 0; i < 7; i++) {
			out[i] = get$1(format, (i + shift) % 7, field, 'day');
		}
		return out;
	}

	function listMonths(format, index) {
		return listMonthsImpl(format, index, 'months');
	}

	function listMonthsShort(format, index) {
		return listMonthsImpl(format, index, 'monthsShort');
	}

	function listWeekdays(localeSorted, format, index) {
		return listWeekdaysImpl(localeSorted, format, index, 'weekdays');
	}

	function listWeekdaysShort(localeSorted, format, index) {
		return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');
	}

	function listWeekdaysMin(localeSorted, format, index) {
		return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');
	}

	getSetGlobalLocale('en', {
		dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
		ordinal: function (number) {
			var b = number % 10,
				output = (toInt(number % 100 / 10) === 1) ? 'th' :
				(b === 1) ? 'st' :
				(b === 2) ? 'nd' :
				(b === 3) ? 'rd' : 'th';
			return number + output;
		}
	});

	// Side effect imports
	hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale);
	hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale);

	var mathAbs = Math.abs;

	function abs() {
		var data = this._data;

		this._milliseconds = mathAbs(this._milliseconds);
		this._days = mathAbs(this._days);
		this._months = mathAbs(this._months);

		data.milliseconds = mathAbs(data.milliseconds);
		data.seconds = mathAbs(data.seconds);
		data.minutes = mathAbs(data.minutes);
		data.hours = mathAbs(data.hours);
		data.months = mathAbs(data.months);
		data.years = mathAbs(data.years);

		return this;
	}

	function addSubtract$1(duration, input, value, direction) {
		var other = createDuration(input, value);

		duration._milliseconds += direction * other._milliseconds;
		duration._days += direction * other._days;
		duration._months += direction * other._months;

		return duration._bubble();
	}

	// supports only 2.0-style add(1, 's') or add(duration)
	function add$1(input, value) {
		return addSubtract$1(this, input, value, 1);
	}

	// supports only 2.0-style subtract(1, 's') or subtract(duration)
	function subtract$1(input, value) {
		return addSubtract$1(this, input, value, -1);
	}

	function absCeil(number) {
		if (number < 0) {
			return Math.floor(number);
		} else {
			return Math.ceil(number);
		}
	}

	function bubble() {
		var milliseconds = this._milliseconds;
		var days = this._days;
		var months = this._months;
		var data = this._data;
		var seconds, minutes, hours, years, monthsFromDays;

		// if we have a mix of positive and negative values, bubble down first
		// check: https://github.com/moment/moment/issues/2166
		if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||
				(milliseconds <= 0 && days <= 0 && months <= 0))) {
			milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
			days = 0;
			months = 0;
		}

		// The following code bubbles up values, see the tests for
		// examples of what that means.
		data.milliseconds = milliseconds % 1000;

		seconds = absFloor(milliseconds / 1000);
		data.seconds = seconds % 60;

		minutes = absFloor(seconds / 60);
		data.minutes = minutes % 60;

		hours = absFloor(minutes / 60);
		data.hours = hours % 24;

		days += absFloor(hours / 24);

		// convert days to months
		monthsFromDays = absFloor(daysToMonths(days));
		months += monthsFromDays;
		days -= absCeil(monthsToDays(monthsFromDays));

		// 12 months -> 1 year
		years = absFloor(months / 12);
		months %= 12;

		data.days = days;
		data.months = months;
		data.years = years;

		return this;
	}

	function daysToMonths(days) {
		// 400 years have 146097 days (taking into account leap year rules)
		// 400 years have 12 months === 4800
		return days * 4800 / 146097;
	}

	function monthsToDays(months) {
		// the reverse of daysToMonths
		return months * 146097 / 4800;
	}

	function as(units) {
		if (!this.isValid()) {
			return NaN;
		}
		var days;
		var months;
		var milliseconds = this._milliseconds;

		units = normalizeUnits(units);

		if (units === 'month' || units === 'year') {
			days = this._days + milliseconds / 864e5;
			months = this._months + daysToMonths(days);
			return units === 'month' ? months : months / 12;
		} else {
			// handle milliseconds separately because of floating point math errors (issue #1867)
			days = this._days + Math.round(monthsToDays(this._months));
			switch (units) {
				case 'week': return days / 7 + milliseconds / 6048e5;
				case 'day': return days + milliseconds / 864e5;
				case 'hour': return days * 24 + milliseconds / 36e5;
				case 'minute': return days * 1440 + milliseconds / 6e4;
				case 'second': return days * 86400 + milliseconds / 1000;
					// Math.floor prevents floating point math errors here
				case 'millisecond': return Math.floor(days * 864e5) + milliseconds;
				default: throw new Error('Unknown unit ' + units);
			}
		}
	}

	// TODO: Use this.as('ms')?
	function valueOf$1() {
		if (!this.isValid()) {
			return NaN;
		}
		return (
			this._milliseconds +
			this._days * 864e5 +
			(this._months % 12) * 2592e6 +
			toInt(this._months / 12) * 31536e6
		);
	}

	function makeAs(alias) {
		return function () {
			return this.as(alias);
		};
	}

	var asMilliseconds = makeAs('ms');
	var asSeconds = makeAs('s');
	var asMinutes = makeAs('m');
	var asHours = makeAs('h');
	var asDays = makeAs('d');
	var asWeeks = makeAs('w');
	var asMonths = makeAs('M');
	var asYears = makeAs('y');

	function get$2(units) {
		units = normalizeUnits(units);
		return this.isValid() ? this[units + 's']() : NaN;
	}

	function makeGetter(name) {
		return function () {
			return this.isValid() ? this._data[name] : NaN;
		};
	}

	var milliseconds = makeGetter('milliseconds');
	var seconds = makeGetter('seconds');
	var minutes = makeGetter('minutes');
	var hours = makeGetter('hours');
	var days = makeGetter('days');
	var months = makeGetter('months');
	var years = makeGetter('years');

	function weeks() {
		return absFloor(this.days() / 7);
	}

	var round = Math.round;
	var thresholds = {
		ss: 44,         // a few seconds to seconds
		s: 45,         // seconds to minute
		m: 45,         // minutes to hour
		h: 22,         // hours to day
		d: 26,         // days to month
		M: 11          // months to year
	};

	// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
	function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
		return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
	}

	function relativeTime$1(posNegDuration, withoutSuffix, locale) {
		var duration = createDuration(posNegDuration).abs();
		var seconds = round(duration.as('s'));
		var minutes = round(duration.as('m'));
		var hours = round(duration.as('h'));
		var days = round(duration.as('d'));
		var months = round(duration.as('M'));
		var years = round(duration.as('y'));

		var a = seconds <= thresholds.ss && ['s', seconds] ||
				seconds < thresholds.s && ['ss', seconds] ||
				minutes <= 1 && ['m'] ||
				minutes < thresholds.m && ['mm', minutes] ||
				hours <= 1 && ['h'] ||
				hours < thresholds.h && ['hh', hours] ||
				days <= 1 && ['d'] ||
				days < thresholds.d && ['dd', days] ||
				months <= 1 && ['M'] ||
				months < thresholds.M && ['MM', months] ||
				years <= 1 && ['y'] || ['yy', years];

		a[2] = withoutSuffix;
		a[3] = +posNegDuration > 0;
		a[4] = locale;
		return substituteTimeAgo.apply(null, a);
	}

	// This function allows you to set the rounding function for relative time strings
	function getSetRelativeTimeRounding(roundingFunction) {
		if (roundingFunction === undefined) {
			return round;
		}
		if (typeof (roundingFunction) === 'function') {
			round = roundingFunction;
			return true;
		}
		return false;
	}

	// This function allows you to set a threshold for relative time strings
	function getSetRelativeTimeThreshold(threshold, limit) {
		if (thresholds[threshold] === undefined) {
			return false;
		}
		if (limit === undefined) {
			return thresholds[threshold];
		}
		thresholds[threshold] = limit;
		if (threshold === 's') {
			thresholds.ss = limit - 1;
		}
		return true;
	}

	function humanize(withSuffix) {
		if (!this.isValid()) {
			return this.localeData().invalidDate();
		}

		var locale = this.localeData();
		var output = relativeTime$1(this, !withSuffix, locale);

		if (withSuffix) {
			output = locale.pastFuture(+this, output);
		}

		return locale.postformat(output);
	}

	var abs$1 = Math.abs;

	function toISOString$1() {
		// for ISO strings we do not use the normal bubbling rules:
		//  * milliseconds bubble up until they become hours
		//  * days do not bubble at all
		//  * months bubble up until they become years
		// This is because there is no context-free conversion between hours and days
		// (think of clock changes)
		// and also not between days and months (28-31 days per month)
		if (!this.isValid()) {
			return this.localeData().invalidDate();
		}

		var seconds = abs$1(this._milliseconds) / 1000;
		var days = abs$1(this._days);
		var months = abs$1(this._months);
		var minutes, hours, years;

		// 3600 seconds -> 60 minutes -> 1 hour
		minutes = absFloor(seconds / 60);
		hours = absFloor(minutes / 60);
		seconds %= 60;
		minutes %= 60;

		// 12 months -> 1 year
		years = absFloor(months / 12);
		months %= 12;


		// inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
		var Y = years;
		var M = months;
		var D = days;
		var h = hours;
		var m = minutes;
		var s = seconds;
		var total = this.asSeconds();

		if (!total) {
			// this is the same as C#'s (Noda) and python (isodate)...
			// but not other JS (goog.date)
			return 'P0D';
		}

		return (total < 0 ? '-' : '') +
			'P' +
			(Y ? Y + 'Y' : '') +
			(M ? M + 'M' : '') +
			(D ? D + 'D' : '') +
			((h || m || s) ? 'T' : '') +
			(h ? h + 'H' : '') +
			(m ? m + 'M' : '') +
			(s ? s + 'S' : '');
	}

	var proto$2 = Duration.prototype;

	proto$2.isValid = isValid$1;
	proto$2.abs = abs;
	proto$2.add = add$1;
	proto$2.subtract = subtract$1;
	proto$2.as = as;
	proto$2.asMilliseconds = asMilliseconds;
	proto$2.asSeconds = asSeconds;
	proto$2.asMinutes = asMinutes;
	proto$2.asHours = asHours;
	proto$2.asDays = asDays;
	proto$2.asWeeks = asWeeks;
	proto$2.asMonths = asMonths;
	proto$2.asYears = asYears;
	proto$2.valueOf = valueOf$1;
	proto$2._bubble = bubble;
	proto$2.get = get$2;
	proto$2.milliseconds = milliseconds;
	proto$2.seconds = seconds;
	proto$2.minutes = minutes;
	proto$2.hours = hours;
	proto$2.days = days;
	proto$2.weeks = weeks;
	proto$2.months = months;
	proto$2.years = years;
	proto$2.humanize = humanize;
	proto$2.toISOString = toISOString$1;
	proto$2.toString = toISOString$1;
	proto$2.toJSON = toISOString$1;
	proto$2.locale = locale;
	proto$2.localeData = localeData;

	// Deprecations
	proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1);
	proto$2.lang = lang;

	// Side effect imports

	// FORMATTING

	addFormatToken('X', 0, 0, 'unix');
	addFormatToken('x', 0, 0, 'valueOf');

	// PARSING

	addRegexToken('x', matchSigned);
	addRegexToken('X', matchTimestamp);
	addParseToken('X', function (input, array, config) {
		config._d = new Date(parseFloat(input, 10) * 1000);
	});
	addParseToken('x', function (input, array, config) {
		config._d = new Date(toInt(input));
	});

	// Side effect imports


	hooks.version = '2.18.1';

	setHookCallback(createLocal);

	hooks.fn = proto;
	hooks.min = min;
	hooks.max = max;
	hooks.now = now;
	hooks.utc = createUTC;
	hooks.unix = createUnix;
	hooks.months = listMonths;
	hooks.isDate = isDate;
	hooks.locale = getSetGlobalLocale;
	hooks.invalid = createInvalid;
	hooks.duration = createDuration;
	hooks.isMoment = isMoment;
	hooks.weekdays = listWeekdays;
	hooks.parseZone = createInZone;
	hooks.localeData = getLocale;
	hooks.isDuration = isDuration;
	hooks.monthsShort = listMonthsShort;
	hooks.weekdaysMin = listWeekdaysMin;
	hooks.defineLocale = defineLocale;
	hooks.updateLocale = updateLocale;
	hooks.locales = listLocales;
	hooks.weekdaysShort = listWeekdaysShort;
	hooks.normalizeUnits = normalizeUnits;
	hooks.relativeTimeRounding = getSetRelativeTimeRounding;
	hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;
	hooks.calendarFormat = getCalendarFormat;
	hooks.prototype = proto;

	return hooks;

})));